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发明名称
Razor blade sharpener
摘要
申请公布号
US1896348(A)
申请公布日期
1933.02.07
申请号
US19300489368
申请日期
1930.10.17
申请人
BOWERS GEORGE W
发明人
BOWERS GEORGE W.
分类号
B24D15/08
主分类号
B24D15/08
代理机构
代理人
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