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经营范围
发明名称
Installation d'étirage de tubes
摘要
申请公布号
FR55957(E)
申请公布日期
1952.09.10
申请号
FRD55957
申请日期
1945.03.21
申请人
发明人
CHOUSTOFF EUGENE
分类号
B21C1/30
主分类号
B21C1/30
代理机构
代理人
主权项
地址
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