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经营范围
发明名称
Perfectionnements apportés ou se rapportant à un procédé de fabrication de raccords en métal écroui ainsi qu'aux objets obtenus en appliquant ce procédé
摘要
申请公布号
FR949715(A)
申请公布日期
1949.09.07
申请号
FRD949715
申请日期
1947.07.08
申请人
NORTHERN INDIANA BRASS COMPANY
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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