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发明名称
Razor blade sharpener
摘要
申请公布号
US2415463(A)
申请公布日期
1947.02.11
申请号
US19440557877
申请日期
1944.10.09
申请人
CHESTER FRANK R
发明人
CHESTER FRANK R.
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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