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发明名称
Sharpening tool
摘要
申请公布号
US2766644(A)
申请公布日期
1956.10.16
申请号
US19520326386
申请日期
1952.12.17
申请人
MARKS WILLIAM J
发明人
MARKS WILLIAM J.
分类号
A01K97/00;B24D15/02
主分类号
A01K97/00
代理机构
代理人
主权项
地址
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