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发明名称
Astronomical instrument
摘要
申请公布号
US2366470(A)
申请公布日期
1945.01.02
申请号
US19400346794
申请日期
1940.07.22
申请人
ANNIS RUSSELL K
发明人
ANNIS RUSSELL K.
分类号
主分类号
代理机构
代理人
主权项
地址
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