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发明名称
Procédé d'assemblage de pièces métalliques et apparellage pour l'application dudit procédé
摘要
申请公布号
FR709291(A)
申请公布日期
1931.08.05
申请号
FRD709291
申请日期
1931.01.14
申请人
ETABLISSEMENTS GUILLOT-PELLETIER FILS;JOUFFRAY
发明人
分类号
B21J15/36
主分类号
B21J15/36
代理机构
代理人
主权项
地址
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