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发明名称
Mode d'obtention de raccords de cycles à fuseaux emboutis et produit industriel nouveau en résultant
摘要
申请公布号
FR944471(A)
申请公布日期
1949.04.06
申请号
FRD944471
申请日期
1947.03.13
申请人
SOCIETE FRANCO-SUISSE D'EMBOUTISSAGE
发明人
分类号
B21D53/86
主分类号
B21D53/86
代理机构
代理人
主权项
地址
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