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发明名称
Method of making hubs
摘要
申请公布号
US1754922(A)
申请公布日期
1930.04.15
申请号
US19270179294
申请日期
1927.03.29
申请人
THE NEW DEPARTURE MANUFACTURING COMPANY
发明人
WELDON CHICHESTER P.
分类号
B21D41/02
主分类号
B21D41/02
代理机构
代理人
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地址
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