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经营范围
发明名称
Blade sharpening device
摘要
申请公布号
US2798344(A)
申请公布日期
1957.07.09
申请号
US19560604221
申请日期
1956.08.15
申请人
CARL HERTEL
发明人
HERTEL CARL
分类号
B24D15/10
主分类号
B24D15/10
代理机构
代理人
主权项
地址
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