Electrical relay with contact multiplying movement,申请号US19460646045-传众专利搜索

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发明名称	Electrical relay with contact multiplying movement
摘要
申请公布号	US2491265(A)	申请公布日期	1949.12.13
申请号	US19460646045	申请日期	1946.02.07
申请人	SIGNAL ENGINEERING & MANUFACTURING COMPANY	发明人	JR. JOHN M. HIGH,
分类号	H03K17/54	主分类号	H03K17/54
代理机构		代理人
主权项
地址

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