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发明名称
Razor blade stropper
摘要
申请公布号
US1893642(A)
申请公布日期
1933.01.10
申请号
US19280293984
申请日期
1928.07.19
申请人
FRANK D. BOULANGER
发明人
BOULANGER ANTHONY D.;HUBRICH FRANK P.
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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