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发明名称
Method of forming an annulus and apparatus therefor
摘要
申请公布号
US2005215(A)
申请公布日期
1935.06.18
申请号
US19310581034
申请日期
1931.12.14
申请人
THE KELSEY-HAYES WHEEL COMPANY
发明人
BATIE JOSEPH E.
分类号
B21D53/30
主分类号
B21D53/30
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代理人
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