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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
B66C3/12—Grabs actuated by two or more ropes
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FR437837D1910-12-141911-12-11Appareil pour saisir les corps immergés ou non, épaves, etc.
ExpiredFR437837A
(fr)