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发明名称
Method of forming brake drums
摘要
申请公布号
US2151568(A)
申请公布日期
1939.03.21
申请号
US19360100784
申请日期
1936.09.14
申请人
KELSEY-HAYES WHEEL COMPANY
发明人
SINCLAIR CHARLES W.
分类号
B21D53/34
主分类号
B21D53/34
代理机构
代理人
主权项
地址
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