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经营范围
发明名称
ERKENNEN EINES BRÜCKENABGRIFFS ODER DES LEITUNGSENDES EINER FERNSPRECHLEITUNG DURCH ZEITBEREICHSREFLEKTOMETRIE
摘要
申请公布号
DE60214183(D1)
申请公布日期
2006.10.05
申请号
DE20026014183
申请日期
2002.02.14
申请人
TOLLGRADE COMMUNICATIONS INC.
发明人
ROSS, REBECCA W.;NERO, REGIS J., JR.;DETKA, CHRISTOPHER S.
分类号
H04M1/24;G01R31/11
主分类号
H04M1/24
代理机构
代理人
主权项
地址
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