Improvements in and to electrical make-and-break contacts,申请号GB19390033092-传众专利搜索

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发明名称	Improvements in and to electrical make-and-break contacts
摘要
申请公布号	GB534797(A)	申请公布日期	1941.03.18
申请号	GB19390033092	申请日期	1939.12.30
申请人	P. R. MALLORY & CO., INC.	发明人
分类号	H01H1/023	主分类号	H01H1/023
代理机构		代理人
主权项
地址

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