Installation de commutation pour central de télécommunication.,申请号CHD288596-传众专利搜索

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发明名称	Installation de commutation pour central de télécommunication.
摘要
申请公布号	CH288596(A)	申请公布日期	1953.01.31
申请号	CHD288596	申请日期	1949.01.11
申请人	MERCER,RICHARD	发明人	MERCER,RICHARD
分类号	H04Q3/00	主分类号	H04Q3/00
代理机构		代理人
主权项
地址

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