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发明名称
DETECTING METHOD FOR LEAK IN PIPELINE
摘要
申请公布号
JPH01109237(A)
申请公布日期
1989.04.26
申请号
JP19870265877
申请日期
1987.10.21
申请人
NKK CORP
发明人
ONISHI YASUNORI
分类号
G01M3/28
主分类号
G01M3/28
代理机构
代理人
主权项
地址
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