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发明名称
Sharpening device for rotary knives
摘要
申请公布号
US3406486(A)
申请公布日期
1968.10.22
申请号
US19650513379
申请日期
1965.12.13
申请人
BETTCHER INDUSTRIES, INC.
发明人
BETTCHER LOUIS A.
分类号
B24B3/40;B24B3/46;B24B47/04
主分类号
B24B3/40
代理机构
代理人
主权项
地址
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