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经营范围
发明名称
Grinding or polishing machine
摘要
申请公布号
US2463287(A)
申请公布日期
1949.03.01
申请号
US19460712163
申请日期
1946.11.25
申请人
HAMMOND MACHINERY BUILDERS, INC.
发明人
KRUEGER EDWARD C.
分类号
B24B21/18
主分类号
B24B21/18
代理机构
代理人
主权项
地址
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