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发明名称
Metal wheel and method of making the same
摘要
申请公布号
US2065275(A)
申请公布日期
1936.12.22
申请号
US19350035756
申请日期
1935.08.12
申请人
HESTER DONALD M
发明人
HESTER DONALD M.
分类号
B21D53/26
主分类号
B21D53/26
代理机构
代理人
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