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经营范围
发明名称
Polishing or lapping machine
摘要
申请公布号
US2538461(A)
申请公布日期
1951.01.16
申请号
US19480065439
申请日期
1948.12.15
申请人
GORDON KAVENY JOHN
发明人
KAVENY JOHN GORDON
分类号
B24B5/48
主分类号
B24B5/48
代理机构
代理人
主权项
地址
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