Token-operated telephone for automatic local calls and automatic and manual long-distance calls,申请号US19530343548-传众专利搜索

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发明名称	Token-operated telephone for automatic local calls and automatic and manual long-distance calls
摘要
申请公布号	US2889404(A)	申请公布日期	1959.06.02
申请号	US19530343548	申请日期	1953.03.20
申请人	GIOVANNI OGLIETTI;VITTORIO CARAMELLA	发明人	OGLIETTI GIOVANNI;CARAMELLA VITTORIO
分类号	H04M17/02	主分类号	H04M17/02
代理机构		代理人
主权项
地址

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