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发明名称
Automatic positioning means
摘要
申请公布号
US2285517(A)
申请公布日期
1942.06.09
申请号
US19410404180
申请日期
1941.07.26
申请人
LEO M. HARVEY
发明人
HARVEY HERBERT;THACKER RALPH S.
分类号
D06F37/30
主分类号
D06F37/30
代理机构
代理人
主权项
地址
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