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发明名称
Knife sharpener
摘要
申请公布号
US2186715(A)
申请公布日期
1940.01.09
申请号
US19370182841
申请日期
1937.12.31
申请人
THE EDWARD KATZINGER COMPANY
发明人
ZIMMER MYRON J.
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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