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公开(公告)号：US2580304A
公开(公告)日：1951-12-25
申请号：US10643749
申请日：1949-07-23
Applicant: WESTINGHOUSE ELECTRIC CORP
Inventor： KRAFT JOSEPH K
IPC: H01H75/04
CPC classification number: H01H75/04
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公开(公告)号：US2575738A
公开(公告)日：1951-11-20
申请号：US71894246
申请日：1946-12-28
Applicant: WESTINGHOUSE ELECTRIC CORP
Inventor： WALLACE JAMES M , KRAFT JOSEPH K
IPC: H01H33/75
CPC classification number: H01H33/75
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