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经营范围
发明名称
Einrichtung zur Beobachtung mit Phasenkontrast in Farben
摘要
申请公布号
DE835657(C)
申请公布日期
1952.04.03
申请号
DE1951L008251
申请日期
1951.02.09
申请人
ERNST LEITZ G.M.B.H.
发明人
HEINE HERMANN
分类号
G02B21/14
主分类号
G02B21/14
代理机构
代理人
主权项
地址
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