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发明名称
Setting gauge for setting revolvuble emery grinder rollers
摘要
申请公布号
US2146370(A)
申请公布日期
1939.02.07
申请号
US19380227605
申请日期
1938.08.31
申请人
JAMES DRONSFIELD
发明人
DRONSFIELD JAMES
分类号
B24B49/04
主分类号
B24B49/04
代理机构
代理人
主权项
地址
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