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发明名称
Device for sharpening blades
摘要
申请公布号
US2092187(A)
申请公布日期
1937.09.07
申请号
US19290381136
申请日期
1929.07.26
申请人
WILFRED K. KRAUSS;RALPH G. LOCKWOOD
发明人
JR. JOSEPH C. SCHAF,
分类号
B24D15/08
主分类号
B24D15/08
代理机构
代理人
主权项
地址
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