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Perch Meter
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Perch Kilometer
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Perch Decimeter
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Perch Centimeters
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Perch Millimeter
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Perch Micrometer
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Perch Nanometer
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Perch Mile
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Perch Yard
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Perch Foot
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Perch Inch
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Perch Light year
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Perch Exameter
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Perch Petameter
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Perch Terameter
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Perch Gigameter
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Perch Megameter
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Perch Hectometer
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Perch Dekameter
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Perch Micron
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Perch Picometer
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Perch Femtometer
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Perch Attometer
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Perch Megaparsec
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Perch Kiloparsec
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Perch Parsec
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Perch Astronomical unit
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Perch League
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Perch Nautical league (UK)
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Perch Nautical league (int.)
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Perch League (statute)
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Perch Nautical mile (UK)
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Perch Nautical mile (international)
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Perch Mile (statute)
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Perch Mile (US survey)
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Perch Mile (Roman)
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Perch Kiloyard
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Perch Furlong
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Perch Furlong (US survey)
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Perch Chain
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Perch Chain (US survey)
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Perch Rope
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Perch Rod
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Perch Rod (US survey)
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Perch Pole
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Perch Fathom
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Perch Fathom (US survey)
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Perch Ell
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Perch Foot (US survey)
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Perch Link
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Perch Link (US survey)
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Perch Cubit (UK)
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Perch Hand
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Perch Span (cloth)
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Perch Finger (cloth)
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Perch Nail (cloth)
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Perch Inch (US survey)
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Perch Barleycorn
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Perch Mil
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Perch Microinch
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Perch Angstrom
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Perch A.u. of length
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Perch X-unit
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Perch Fermi
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Perch Arpent
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Perch Pica
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Perch Point
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Perch Twip
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Perch Aln
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Perch Famn
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Perch Caliber
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Perch Centiinch
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Perch Ken
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Perch Russian archin
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Perch Roman actus
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Perch Vara de tarea
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Perch Vara conuquera
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Perch Vara castellana
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Perch Cubit (Greek)
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Perch Long reed
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Perch Reed
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Perch Long cubit
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Perch Handbreadth
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Perch Fingerbreadth
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Perch Planck length
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Perch Electron radius (classical)
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Perch Bohr radius
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Perch Earth's equatorial radius
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Perch Earth's polar radius
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Perch Earth's distance from sun
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Perch Sun's radius
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