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发明名称
Method of making hubs
摘要
申请公布号
US1902223(A)
申请公布日期
1933.03.21
申请号
US19290368349
申请日期
1929.06.04
申请人
BUDD WHEEL COMPANY
发明人
EKSERGIAN CAROLUS L.
分类号
B21D53/30
主分类号
B21D53/30
代理机构
代理人
主权项
地址
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