Device for the prevention of dialling automatic telephones,申请号GB19310021361-传众专利搜索

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发明名称	Device for the prevention of dialling automatic telephones
摘要
申请公布号	GB386984(A)	申请公布日期	1933.01.27
申请号	GB19310021361	申请日期	1931.07.27
申请人	HENRY ANDREWS;MABEL KING	发明人
分类号	H04M1/667	主分类号	H04M1/667
代理机构		代理人
主权项
地址

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