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发明名称
Einrichtung zur Projektion von Filmbildern mit optischem Ausgleich
摘要
申请公布号
DE698671(C)
申请公布日期
1940.11.15
申请号
DE193701K6231D
申请日期
1937.04.20
申请人
KLANGFILM G.M.B.H.
发明人
LEHMANN DR. ERNST
分类号
G03B41/12
主分类号
G03B41/12
代理机构
代理人
主权项
地址
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