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公开(公告)号：US2623099A
公开(公告)日：1952-12-23
申请号：US9637449
申请日：1949-05-31
Applicant: WALLACE WILLMER T , COONLEY JAMES E
Inventor： WALLACE WILLMER T , COONLEY JAMES E
IPC: H01H85/32
CPC classification number: H01H85/32
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