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经营范围
发明名称
Rolling metal
摘要
申请公布号
US1786834(A)
申请公布日期
1930.12.30
申请号
US19270239213
申请日期
1927.12.10
申请人
THE AMERICAN ROLLING MILL COMPANY
发明人
EPPELSHEIMER DANIEL
分类号
B21B1/38
主分类号
B21B1/38
代理机构
代理人
主权项
地址
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