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发明名称
Mit mindestens einer Blendschutzvorrichtung versehenes optisches Gerät.
摘要
申请公布号
CH242656(A)
申请公布日期
1946.05.31
申请号
CHD242656
申请日期
1945.03.01
申请人
KERN & CO. AG.
发明人
AG. KERN & CO.
分类号
G02B27/28
主分类号
G02B27/28
代理机构
代理人
主权项
地址
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