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经营范围
发明名称
PIPE CONNECTIONS
摘要
申请公布号
GB1592433(A)
申请公布日期
1981.07.08
申请号
GB19780000938
申请日期
1978.01.10
申请人
CIE FRANCAISE DES PETROLES
发明人
分类号
B63B35/44;E21B17/01;E21B43/01;F16L27/00;F16L39/04;(IPC1-7):F16L27/10
主分类号
B63B35/44
代理机构
代理人
主权项
地址
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