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发明名称
Utility tool
摘要
申请公布号
US2240705(A)
申请公布日期
1941.05.06
申请号
US19400323192
申请日期
1940.03.09
申请人
KLOPFENSTEIN CLARA B
发明人
KLOPFENSTEIN CLARA B.
分类号
A01B1/06
主分类号
A01B1/06
代理机构
代理人
主权项
地址
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