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经营范围
发明名称
Grinding machine
摘要
申请公布号
US1886089(A)
申请公布日期
1932.11.01
申请号
US19320588306
申请日期
1932.01.23
申请人
JAMES DRONSFIELD
发明人
DRONSFIELD JAMES
分类号
B24B19/18
主分类号
B24B19/18
代理机构
代理人
主权项
地址
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