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经营范围
发明名称
Grinding machine
摘要
申请公布号
US1948915(A)
申请公布日期
1934.02.27
申请号
US19310542240
申请日期
1931.06.05
申请人
THE HEALD MACHINE COMPANY
发明人
HEALD RICHARD A.
分类号
B24B47/20
主分类号
B24B47/20
代理机构
代理人
主权项
地址
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