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经营范围
发明名称
Grinding machine
摘要
申请公布号
US2413436(A)
申请公布日期
1946.12.31
申请号
US19420463157
申请日期
1942.10.24
申请人
DAWSON ORLIE W
发明人
DAWSON ORLIE W.
分类号
B24B3/18
主分类号
B24B3/18
代理机构
代理人
主权项
地址
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