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公开(公告)号：US2315492A
公开(公告)日：1943-04-06
申请号：US38253841
申请日：1941-03-10
Applicant: ANDERSON PAUL E , JOSEPH YOLLES JOHN
Inventor： ANDERSON PAUL E , JOSEPH YOLLES JOHN
IPC: H01B17/30
CPC classification number: H01B17/308
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