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公开(公告)号：US2222936A
公开(公告)日：1940-11-26
申请号：US17418737
申请日：1937-11-12
Applicant: ALUMINUM CO OF AMERICA
Inventor： COFFIN PHILIP T
IPC: H01R4/00
CPC classification number: H01R4/00
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公开(公告)号：US2230611A
公开(公告)日：1941-02-04
申请号：US21198038
申请日：1938-06-06
Applicant: ALUMINUM CO OF AMERICA
Inventor： COFFIN PHILIP T , NOYES MAXWELL E
IPC: H02G7/14
CPC classification number: H02G7/14 , Y10S57/906 , Y10S174/12
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