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发明名称
Razor blade sharpener
摘要
申请公布号
US2118937(A)
申请公布日期
1938.05.31
申请号
US19370151875
申请日期
1937.07.03
申请人
MURRIN GAHLBETH H
发明人
MURRIN GAHLBETH H.
分类号
B24D15/08
主分类号
B24D15/08
代理机构
代理人
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地址
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