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经营范围
发明名称
Procédé et machine pour la fabrication de tubes métalliques souples à section rectangulaire
摘要
申请公布号
FR947541(A)
申请公布日期
1949.07.05
申请号
FRD947541
申请日期
1947.06.05
申请人
TITEFLEX, INC.
发明人
分类号
B21C37/12
主分类号
B21C37/12
代理机构
代理人
主权项
地址
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