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发明名称
Polishing device
摘要
申请公布号
US1908399(A)
申请公布日期
1933.05.09
申请号
US19310582856
申请日期
1931.12.23
申请人
BOLAND BENJAMIN H;HUGO LIND
发明人
BOLAND BENJAMIN H.;LIND HUGO
分类号
B24D9/04
主分类号
B24D9/04
代理机构
代理人
主权项
地址
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