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发明名称
Apparatus for and method of grinding
摘要
申请公布号
GB642953(A)
申请公布日期
1950.09.13
申请号
GB19470022066
申请日期
1947.08.08
申请人
ALFRED EARL HAMILTON
发明人
分类号
B24B7/13
主分类号
B24B7/13
代理机构
代理人
主权项
地址
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