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经营范围
发明名称
Improvements in or relating to rolling metal
摘要
申请公布号
GB353525(A)
申请公布日期
1931.07.27
申请号
GB19310018404
申请日期
1930.02.25
申请人
THE COLD METAL PROCESS COMPANY
发明人
分类号
B21B1/36
主分类号
B21B1/36
代理机构
代理人
主权项
地址
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