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发明名称
Raccord symétrique, par filetage ou rampe hélicoïdale amovible pour tubes et tuyaux
摘要
申请公布号
FR1139274(A)
申请公布日期
1957.06.27
申请号
FRD1139274
申请日期
1955.06.29
申请人
发明人
RAYMOND HENRI-EDGARD
分类号
A47L9/24;F16L19/00;F16L19/03
主分类号
A47L9/24
代理机构
代理人
主权项
地址
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