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经营范围
发明名称
Razor sharpener
摘要
申请公布号
US1958937(A)
申请公布日期
1934.05.15
申请号
US19320599797
申请日期
1932.03.18
申请人
JOHN BAUMGARTNER
发明人
BAUMGARTNER JOHN
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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