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经营范围
发明名称
Grinding machine
摘要
申请公布号
US2162044(A)
申请公布日期
1939.06.13
申请号
US19380230098
申请日期
1938.09.15
申请人
WILSON WALTER J
发明人
WILSON WALTER J.
分类号
B24B3/58
主分类号
B24B3/58
代理机构
代理人
主权项
地址
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