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公开(公告)号：US2860211A
公开(公告)日：1958-11-11
申请号：US60326856
申请日：1956-08-10
Applicant: CONTROLS CO OF AMERICA
Inventor： DE LANCEY RALPH W , DESIO FRANK B
IPC: H01H37/70
CPC classification number: H01H37/70 , H01H2037/705
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