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发明名称
Improvements in rolling mills
摘要
申请公布号
GB334734(A)
申请公布日期
1930.09.11
申请号
GB19290029467
申请日期
1929.09.28
申请人
FRED CHAMIER
发明人
分类号
B21B1/08;B21B13/10;B21B35/10
主分类号
B21B1/08
代理机构
代理人
主权项
地址
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