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发明名称
METHODS OF CONNECTING UNDERWATER PIPELINES
摘要
申请公布号
GB1478214(A)
申请公布日期
1977.06.29
申请号
GB19750002159
申请日期
1975.01.17
申请人
BROWN ROOT LTD
发明人
分类号
E21B43/013;F16L1/26;F16L13/11;(IPC1-7):16L13/10;16L55/18
主分类号
E21B43/013
代理机构
代理人
主权项
地址
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