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经营范围
发明名称
PLUGGING A PIPELINE
摘要
申请公布号
IE42585(L)
申请公布日期
1977.04.14
申请号
IE19760000919
申请日期
1976.04.29
申请人
HYDROTECH INTERNATIONAL INC
发明人
分类号
H02G9/02;F16L1/14;F16L55/128;(IPC1-7):F16L55/10;F16L1/04
主分类号
H02G9/02
代理机构
代理人
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地址
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