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发明名称
Portable hand tool electric motor driven grinder
摘要
申请公布号
US2238440(A)
申请公布日期
1941.04.15
申请号
US19400333907
申请日期
1940.05.08
申请人
NATHANIEL CHAYES
发明人
CHAYES NATHANIEL
分类号
A61C1/14
主分类号
A61C1/14
代理机构
代理人
主权项
地址
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