,申请号JP19770042064-传众专利搜索

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法人/股东/高管

发明名称
摘要	PURPOSE:To secure a detection of the caller at the crossbar transmission station at the dial end time, by giving perforation to the trouble recorder with use of the regulation earth discriminating device of the transmission station.
申请公布号	JPS5741869(B2)	申请公布日期	1982.09.06
申请号	JP19770042064	申请日期	1977.04.14
申请人		发明人
分类号	H04M3/42	主分类号	H04M3/42
代理机构		代理人
主权项
地址

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