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经营范围
发明名称
Buffing and abrasive device
摘要
申请公布号
US1879083(A)
申请公布日期
1932.09.27
申请号
US19300465918
申请日期
1930.07.07
申请人
CASPER BENJAMIN A
发明人
CASPER BENJAMIN A.
分类号
A47L11/18
主分类号
A47L11/18
代理机构
代理人
主权项
地址
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