SCHALTUNGSANORDNUNG ZUM ANRUFEN VON TEILNEHMERSTATIONEN IN FERNSPRECHANLAGEN,申请号DE19702024361-传众专利搜索

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发明名称	SCHALTUNGSANORDNUNG ZUM ANRUFEN VON TEILNEHMERSTATIONEN IN FERNSPRECHANLAGEN
摘要
申请公布号	DE2024361(B2)	申请公布日期	1972.10.26
申请号	DE19702024361	申请日期	1970.05.19
申请人		发明人
分类号	H04M19/02	主分类号	H04M19/02
代理机构		代理人
主权项
地址

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