High pressure contact air-break switch,申请号US19410407185-传众专利搜索

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发明名称	High pressure contact air-break switch
摘要
申请公布号	US2293652(A)	申请公布日期	1942.08.18
申请号	US19410407185	申请日期	1941.08.16
申请人	JOHNSON TOMLINSON F	发明人	JOHNSON TOMLINSON F.
分类号	H01H31/28	主分类号	H01H31/28
代理机构		代理人
主权项
地址

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