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经营范围
发明名称
Forged steel roll
摘要
申请公布号
US2058582(A)
申请公布日期
1936.10.27
申请号
US19350044208
申请日期
1935.10.09
申请人
FERREE CLIFFORD B
发明人
FERREE CLIFFORD B.
分类号
B21B27/00
主分类号
B21B27/00
代理机构
代理人
主权项
地址
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