COMMUNICATION LINE TESTER,申请号GB19900000339-传众专利搜索

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发明名称	COMMUNICATION LINE TESTER
摘要
申请公布号	GB9000339(D0)	申请公布日期	1990.03.07
申请号	GB19900000339	申请日期	1990.01.08
申请人	BRITISH TELECOMMUNICATIONS PUBLIC LIMITED COMPANY	发明人
分类号	G01R31/02;H04M3/22	主分类号	G01R31/02
代理机构		代理人
主权项
地址

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