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发明名称
Optical device for the observation of a focussing screen such as a ground-glass plate
摘要
申请公布号
GB909431(A)
申请公布日期
1962.10.31
申请号
GB19600025741
申请日期
1960.07.25
申请人
M. HENSOLDT & SOEHNE, OPTISCHE WERKE AG.
发明人
分类号
G02B27/02;G03B19/12
主分类号
G02B27/02
代理机构
代理人
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