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经营范围
发明名称
PIPELINE LAYING APPARATUS
摘要
申请公布号
GB1473722(A)
申请公布日期
1977.05.18
申请号
GB19740031077
申请日期
1974.07.12
申请人
SAIPEM SPA
发明人
分类号
F16L1/12;B63B35/03;F16L1/18;(IPC1-7):F16L1/04
主分类号
F16L1/12
代理机构
代理人
主权项
地址
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