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经营范围
发明名称
Grinding machine
摘要
申请公布号
US2420024(A)
申请公布日期
1947.05.06
申请号
US19450609522
申请日期
1945.08.08
申请人
REID BROTHERS COMPANY, INC.
发明人
WOODBURY STEPHEN E.
分类号
B24B47/04
主分类号
B24B47/04
代理机构
代理人
主权项
地址
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