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经营范围
发明名称
Mechanical treatment of steel
摘要
申请公布号
US1845746(A)
申请公布日期
1932.02.16
申请号
US19270176365
申请日期
1927.03.18
申请人
WALTER GUIBERT FRANCIS
发明人
GUIBERT FRANCIS WALTER
分类号
B21B27/08
主分类号
B21B27/08
代理机构
代理人
主权项
地址
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