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发明名称
RECOVERING A SUBMERGED PIPELINE
摘要
申请公布号
GB1546335(A)
申请公布日期
1979.05.23
申请号
GB19770007717
申请日期
1977.02.23
申请人
SAIPEM SPA
发明人
分类号
F16L1/12;B63C13/00;F16L1/16;(IPC1-7):F16L1/00;B23D21/00
主分类号
F16L1/12
代理机构
代理人
主权项
地址
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