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经营范围
发明名称
Grinding apparatus
摘要
申请公布号
US1930017(A)
申请公布日期
1933.10.10
申请号
US19310565339
申请日期
1931.09.26
申请人
MARK MUSGRAVE
发明人
MUSGRAVE MARK
分类号
B24B5/36;B24B33/08;B24B41/00
主分类号
B24B5/36
代理机构
代理人
主权项
地址
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