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公开(公告)号:US2831082A
公开(公告)日:1958-04-15
申请号:US32540152
申请日:1952-12-11
申请人: MASON ELECTRIC CORP
发明人: MASON HOWARD F
IPC分类号: H01H1/16 , H01H19/11 , H01H19/22 , H01H19/56 , H01H21/38
CPC分类号: H01H1/16 , H01H19/11 , H01H19/22 , H01H19/56 , H01H21/38