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发明名称
Appareil pour cintrer à froid les tubes de cuivre
摘要
申请公布号
FR51714(E)
申请公布日期
1943.04.09
申请号
FRD51714
申请日期
1941.07.22
申请人
发明人
MAILLOUX ALPHONSE LE
分类号
B21D7/024
主分类号
B21D7/024
代理机构
代理人
主权项
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