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经营范围
发明名称
Disk sharpening machine
摘要
申请公布号
US2477361(A)
申请公布日期
1949.07.26
申请号
US19460698519
申请日期
1946.09.21
申请人
LEE HARDWICK
发明人
BROWNE PAUL W.
分类号
B24B3/46
主分类号
B24B3/46
代理机构
代理人
主权项
地址
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