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B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
B66C3/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith and intended primarily for transmitting lifting forces to loose materials; Grabs
B66C3/14—Grabs opened or closed by driving motors thereon
B66C3/16—Grabs opened or closed by driving motors thereon by fluid motors
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FR345767D1904-08-231904-08-23Benne dragueuse pour le chargement et le déchargement de matières quelconques déposées en vrac
ExpiredFR345767A
(fr)