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经营范围
发明名称
Grinding machine
摘要
申请公布号
US2233312(A)
申请公布日期
1941.02.25
申请号
US19390291589
申请日期
1939.08.23
申请人
HERMAN POLLACK
发明人
HARROLD JAMES A.
分类号
B24B9/14
主分类号
B24B9/14
代理机构
代理人
主权项
地址
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