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经营范围
发明名称
Perfectionnement apporté à la construction des boîtes de recuit
摘要
申请公布号
FR816891(A)
申请公布日期
1937.08.19
申请号
FRD816891
申请日期
1937.01.26
申请人
THE AMERICAN ROLLING MILL COMPANY
发明人
分类号
C21D9/00
主分类号
C21D9/00
代理机构
代理人
主权项
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