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发明名称
Universal sharpener
摘要
申请公布号
US2191899(A)
申请公布日期
1940.02.27
申请号
US19370162717
申请日期
1937.09.07
申请人
ADAM PRIMAK
发明人
PRIMAK ADAM
分类号
B24D15/06
主分类号
B24D15/06
代理机构
代理人
主权项
地址
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