Installation téléphonique à lignes partagées.,申请号CHD279482-传众专利搜索

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发明名称	Installation téléphonique à lignes partagées.
摘要
申请公布号	CH279482(A)	申请公布日期	1951.11.30
申请号	CHD279482	申请日期	1948.04.03
申请人	COMPAGNIE INDUSTRIELLE DES TELEPHONES	发明人	TELEPHONES COMPAGNIE INDUSTRIELLE DES
分类号	H04Q3/00;H04Q3/58	主分类号	H04Q3/00
代理机构		代理人
主权项
地址

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