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发明名称
JOINT PERFECTIONNE POUR CANALISATION
摘要
申请公布号
CA765310(A)
申请公布日期
1967.08.15
申请号
CAD765310
申请日期
申请人
CENTRE DE RECHERCHES DE PONT-A-MOUSSON
发明人
JEAN E. DRIANCOURT
分类号
主分类号
代理机构
代理人
主权项
地址
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