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发明名称
Device for sharpening safety razor blades
摘要
申请公布号
US1912763(A)
申请公布日期
1933.06.06
申请号
US19310541211
申请日期
1931.06.01
申请人
BERTRAND CROSSGROVE ROBERT
发明人
CROSSGROVE ROBERT BERTRAND
分类号
B24D15/10
主分类号
B24D15/10
代理机构
代理人
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地址
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