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经营范围
发明名称
Rubbing, sanding, and polishing machine
摘要
申请公布号
US1773466(A)
申请公布日期
1930.08.19
申请号
US19250038455
申请日期
1925.06.20
申请人
MADDOX WILLIAM J
发明人
MADDOX WILLIAM J.
分类号
B24B7/24
主分类号
B24B7/24
代理机构
代理人
主权项
地址
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