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公开(公告)号：US3011625A
公开(公告)日：1961-12-05
申请号：US45044454
申请日：1954-08-17
Applicant: DETROIT POWER SCREWDRIVER COMP
Inventor： BAILEY ROY W , BREEST ROBERT L
IPC: B65G27/00
CPC classification number: B65G27/00 , B65G2812/0392
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