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发明名称
Perfectionnements à la fabrication des tubes coudés
摘要
申请公布号
FR59071(E)
申请公布日期
1954.04.22
申请号
FRD59071
申请日期
1948.10.29
申请人
COMPAGNIE DES SURCHAUFFEURS
发明人
HUET ANDRE
分类号
B21C37/28
主分类号
B21C37/28
代理机构
代理人
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