Selbsttaetig antwortende Einrichtung fuer Telephonstellen,申请号DE1949P047166-传众专利搜索

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发明名称	Selbsttaetig antwortende Einrichtung fuer Telephonstellen
摘要
申请公布号	DE837256(C)	申请公布日期	1952.04.21
申请号	DE1949P047166	申请日期	1949.06.28
申请人	WILLIAM OTTO SCHLAEPPI	发明人	SCHLAEPPI WILLIAM OTTO
分类号	H04M1/65	主分类号	H04M1/65
代理机构		代理人
主权项
地址

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