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发明名称
Stropping device for razor blades
摘要
申请公布号
US1914389(A)
申请公布日期
1933.06.20
申请号
US19300428549
申请日期
1930.02.15
申请人
WALLENBECK WILLIAM G
发明人
WALLENBECK WILLIAM G.
分类号
B24D15/10
主分类号
B24D15/10
代理机构
代理人
主权项
地址
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