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经营范围
发明名称
Optical apparatus, particularly for the observation of objects moving in space
摘要
申请公布号
GB651772(A)
申请公布日期
1951.04.11
申请号
GB19460020221
申请日期
1946.07.05
申请人
CONTRAVES A. G.
发明人
分类号
G01C1/02
主分类号
G01C1/02
代理机构
代理人
主权项
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