Inter-outer telephone system and equipment,申请号US19350042240-传众专利搜索

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发明名称	Inter-outer telephone system and equipment
摘要
申请公布号	US2080586(A)	申请公布日期	1937.05.18
申请号	US19350042240	申请日期	1935.09.26
申请人	INTER-OUTER TELEPHONE CORPORATION	发明人	VARLEY RICHARD
分类号	H04M1/62	主分类号	H04M1/62
代理机构		代理人
主权项
地址

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