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经营范围
发明名称
Polishing machine
摘要
申请公布号
US1789218(A)
申请公布日期
1931.01.13
申请号
US19230645828
申请日期
1923.06.16
申请人
F. R. PATCH MANUFACTURING COMPANY
发明人
CRANE LESLIE
分类号
B24B27/00
主分类号
B24B27/00
代理机构
代理人
主权项
地址
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