Dial telephone lock,申请号US19470753279-传众专利搜索

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发明名称	Dial telephone lock
摘要
申请公布号	US2469806(A)	申请公布日期	1949.05.10
申请号	US19470753279	申请日期	1947.06.07
申请人	BERNARD ZION	发明人	ZION BERNARD
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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