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发明名称
Apparatus for sharpening knifeedges
摘要
申请公布号
US2180952(A)
申请公布日期
1939.11.21
申请号
US19380189722
申请日期
1938.02.10
申请人
SEEDERER-KOHLBUSCH, INC.
发明人
GATTONI JOHN
分类号
B24B3/36
主分类号
B24B3/36
代理机构
代理人
主权项
地址
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