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发明名称
Internal grinding machine
摘要
申请公布号
US2290269(A)
申请公布日期
1942.07.21
申请号
US19390266164
申请日期
1939.04.05
申请人
THE HEALD MACHINE COMPANY
发明人
BLOOD HAROLD L.;HEALD RICHARD A.
分类号
B24B5/18
主分类号
B24B5/18
代理机构
代理人
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地址
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