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发明名称
Perfectionnements aux rivets creux en deux pièces et outillage pour la pose de ces rivets
摘要
申请公布号
FR719829(A)
申请公布日期
1932.02.10
申请号
FRD719829
申请日期
1930.10.13
申请人
发明人
GOBIN JEAN
分类号
B21J15/04
主分类号
B21J15/04
代理机构
代理人
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