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发明名称
Drill steel sharpening mechanism
摘要
申请公布号
US1916904(A)
申请公布日期
1933.07.04
申请号
US19290408618
申请日期
1929.11.20
申请人
SULLIVAN MACHINERY COMPANY
发明人
WINEMAN WADE H.
分类号
B21K5/06
主分类号
B21K5/06
代理机构
代理人
主权项
地址
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