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A01D19/00—Digging machines with centrifugal wheels, drums or spinners
A01D19/12—Digging machines with centrifugal wheels, drums or spinners with working tools arranged on an approximately vertical axis
A01D19/14—Digging machines with centrifugal wheels, drums or spinners with working tools arranged on an approximately vertical axis with one screening wheel
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FR657937D1927-07-271928-07-21Perfectionnements aux machines à arracher les pommes de terre
ExpiredFR657937A
(fr)