Lock device for dial telephones,申请号US19270202821-传众专利搜索

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发明名称	Lock device for dial telephones
摘要
申请公布号	US1754400(A)	申请公布日期	1930.04.15
申请号	US19270202821	申请日期	1927.07.01
申请人	POLIAKOFF ROUVIME B;LANDRESS EMMANUEL I	发明人	POLIAKOFF ROUVIME B.;LANDRESS EMMANUEL I.
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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