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经营范围
发明名称
Polishing device
摘要
申请公布号
US2716848(A)
申请公布日期
1955.09.06
申请号
US19540441291
申请日期
1954.07.06
申请人
ALFRED SCHMIDT
发明人
SCHMIDT ALFRED
分类号
B24D15/02
主分类号
B24D15/02
代理机构
代理人
主权项
地址
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