Improvements relating to the disinfection of telephone mouth pieces,申请号GB19490007890-传众专利搜索

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发明名称	Improvements relating to the disinfection of telephone mouth pieces
摘要
申请公布号	GB668389(A)	申请公布日期	1952.03.19
申请号	GB19490007890	申请日期	1949.03.23
申请人	GEORGE HAROLD MAUGHAN;HAROLD JOHN ALLPRESS SIMMONS	发明人
分类号	H04R1/12	主分类号	H04R1/12
代理机构		代理人
主权项
地址

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