Line testing in a telecommunications network,申请号GB19990019472-传众专利搜索

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发明名称	Line testing in a telecommunications network
摘要
申请公布号	GB9919472(D0)	申请公布日期	1999.10.20
申请号	GB19990019472	申请日期	1998.04.07
申请人	BRITISH TELECOMMUNICATIONS PUBLIC LIMITED COMPANY	发明人
分类号	H04M3/22;H04M3/30;H04Q3/72	主分类号	H04M3/22
代理机构		代理人
主权项
地址

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