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发明名称
LEVEL MEASUREMENT METHOD AND ITS DEVICE FOR TUNNEL
摘要
申请公布号
JPH09152335(A)
申请公布日期
1997.06.10
申请号
JP19950312160
申请日期
1995.11.30
申请人
NIPPON TELEGR & TELEPH CORP <NTT>;NIPPON COIL KK
发明人
SAWAGUCHI AKIRA;KURIYAMA YUZO;IMAI JUNICHIRO
分类号
G01C5/04;(IPC1-7):G01C5/04
主分类号
G01C5/04
代理机构
代理人
主权项
地址
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