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经营范围
发明名称
Procédés de fabrication de tubes divers et leurs emboutissages intérieurs
摘要
申请公布号
FR738000(A)
申请公布日期
1932.12.19
申请号
FRD738000
申请日期
1932.06.01
申请人
ETABLISSEMENTS LAIBE FRERES ET COMPAGNIE S. A.
发明人
分类号
B21C37/29
主分类号
B21C37/29
代理机构
代理人
主权项
地址
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