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发明名称
Razor-blade sharpener
摘要
申请公布号
US1758915(A)
申请公布日期
1930.05.20
申请号
US19290384403
申请日期
1929.08.08
申请人
EMANUEL AARON
发明人
AARON EMANUEL
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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