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经营范围
发明名称
JOINT D'ASSEMBLAGE POUR TUBES METALLIQUES
摘要
申请公布号
CA855595(A)
申请公布日期
1970.11.10
申请号
CAD855595
申请日期
申请人
VALLOUREC S.A.
发明人
JEAN L. A. DURET
分类号
主分类号
代理机构
代理人
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地址
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