Internal telephone systems,申请号US19580757508-传众专利搜索

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法人/股东/高管

发明名称	Internal telephone systems
摘要
申请公布号	US3036162(A)	申请公布日期	1962.05.22
申请号	US19580757508	申请日期	1958.08.27
申请人	OWSIEJ BARON	发明人	BARON OWSIEJ
分类号	H04M9/00;H04M9/04	主分类号	H04M9/00
代理机构		代理人
主权项
地址

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