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发明名称
Grinding and polishing machine
摘要
申请公布号
US2477358(A)
申请公布日期
1949.07.26
申请号
US19460678816
申请日期
1946.06.24
申请人
MASON ADAMS JOHN
发明人
ADAMS JOHN MASON
分类号
B24B21/00;B24B21/14
主分类号
B24B21/00
代理机构
代理人
主权项
地址
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