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发明名称
Rod mill
摘要
申请公布号
US2023913(A)
申请公布日期
1935.12.10
申请号
US19290411826
申请日期
1929.12.05
申请人
FARREL-BIRMINGHAM COMPANY, INCORPORATED
发明人
CARROLL WILLARD R.
分类号
B21B39/28
主分类号
B21B39/28
代理机构
代理人
主权项
地址
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