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发明名称
Knife sharpener
摘要
申请公布号
US2722783(A)
申请公布日期
1955.11.08
申请号
US19530344937
申请日期
1953.03.27
申请人
LORENCE O'RUSSA
发明人
O'RUSSA LORENCE
分类号
B24B3/54
主分类号
B24B3/54
代理机构
代理人
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