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发明名称
Finger operated rotatable tool
摘要
申请公布号
US2418638(A)
申请公布日期
1947.04.08
申请号
US19440541496
申请日期
1944.06.22
申请人
HOOVER DANIEL B
发明人
HOOVER DANIEL B.
分类号
B25F1/02
主分类号
B25F1/02
代理机构
代理人
主权项
地址
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