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发明名称
Method and apparatus for rolling tapered wheel disks
摘要
申请公布号
US1750176(A)
申请公布日期
1930.03.11
申请号
US19260145935
申请日期
1926.11.03
申请人
BUDD WHEEL COMPANY
发明人
HUGHES JAMES W.
分类号
B21H1/02
主分类号
B21H1/02
代理机构
代理人
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地址
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