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发明名称
Assemblage mécanique étanche, sans boulons, pour conduites tubulaires
摘要
申请公布号
FR76905(E)
申请公布日期
1961.12.15
申请号
FR19600814976
申请日期
1960.01.06
申请人
VALLOUREC
发明人
分类号
F16L21/04
主分类号
F16L21/04
代理机构
代理人
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