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1.发明授权Mercury switch having at least one contact preformed from an alloy containing nickel,copper and tin 失效具有至少一个联系人的矿工开关从含有镍，铜和锡的合金中提取
公开(公告)号：US3491219A
公开(公告)日：1970-01-20
申请号：US3491219D
申请日：1968-12-27
Applicant: BELL TELEPHONE LABOR INC
Inventor： BARLOW MALCOLM , PLANTING PETER J
CPC classification number: H01H1/08 , H01H1/0201
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公开(公告)号：US3431377A
公开(公告)日：1969-03-04
申请号：US3431377D
申请日：1967-03-03
Applicant: BELL TELEPHONE LABOR INC
Inventor： BARLOW MALCOLM , PLANTING PETER J
CPC classification number: H01H1/08 , H01H1/0201
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