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经营范围
发明名称
Knife sharpener
摘要
申请公布号
US2652667(A)
申请公布日期
1953.09.22
申请号
US19520319018
申请日期
1952.11.06
申请人
ARNOLD CLAUDE D
发明人
ARNOLD CLAUDE D.
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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