Relais électro-magnétique.,申请号CHD220850-传众专利搜索

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发明名称	Relais électro-magnétique.
摘要
申请公布号	CH220850(A)	申请公布日期	1942.04.30
申请号	CHD220850	申请日期	1939.07.15
申请人	BELL TELEPHONE MANUFACTURING COMPANY SOCIETE ANONYME	发明人	BELL TELEPHONE MANUFACTURING COMPANY SOCIETE ANONYME
分类号	H01H50/68	主分类号	H01H50/68
代理机构		代理人
主权项
地址

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