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发明名称
Vis mécanique destinée à être vissée sans taraudage préalable
摘要
申请公布号
FR918221(A)
申请公布日期
1947.02.03
申请号
FRD918221
申请日期
1945.07.30
申请人
VECHAMBRE FRERES
发明人
分类号
F16B25/00;F16B35/04
主分类号
F16B25/00
代理机构
代理人
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