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经营范围
发明名称
Razor blade sharpening device
摘要
申请公布号
US1986603(A)
申请公布日期
1935.01.01
申请号
US19290334172
申请日期
1929.01.22
申请人
ALBERT RUCKGABER
发明人
RUCKGABER ALBERT
分类号
B24D15/08
主分类号
B24D15/08
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代理人
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