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发明名称
METHOD OF SURVEYING ADVANCING POSITION OF BURIED PIPE
摘要
申请公布号
JPS5317368(A)
申请公布日期
1978.02.17
申请号
JP19760091586
申请日期
1976.07.31
申请人
IMAMURA SUSUMU
发明人
IMAMURA SUSUMU
分类号
G01C15/00;E21D9/093;F16L1/00
主分类号
G01C15/00
代理机构
代理人
主权项
地址
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