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经营范围
发明名称
Improvements in and relating to apparatus for tracking the motion of an object relative to an observer
摘要
申请公布号
GB640362(A)
申请公布日期
1950.07.19
申请号
GB19470009239
申请日期
1947.04.05
申请人
BOULTON PAUL AIRCRAFT LIMITED;JOHN DUDLEY NORTH
发明人
分类号
F41G3/22
主分类号
F41G3/22
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