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经营范围
发明名称
Polishing pads
摘要
申请公布号
US2701191(A)
申请公布日期
1955.02.01
申请号
US19490074066
申请日期
1949.02.02
申请人
AMERICAN OPTICAL COMPANY
发明人
LALIBERTE ALBERT J.
分类号
B24B13/01;B24D9/00
主分类号
B24B13/01
代理机构
代理人
主权项
地址
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