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发明名称
DEEP FEED MECHANISM
摘要
申请公布号
US3681878(A)
申请公布日期
1972.08.08
申请号
USD3681878
申请日期
1970.09.21
申请人
NORTON CO.
发明人
OIVA E. HILL
分类号
B24B47/20;(IPC1-7):B24B49/08
主分类号
B24B47/20
代理机构
代理人
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