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发明名称
VORRICHTUNG ZUR PROJEKTION VON DIAPOSITIVEN, FILMEN ODER SONSTIGEN BILDERN.
摘要
申请公布号
DE1967895(U)
申请公布日期
1967.09.07
申请号
DE196700G7287U
申请日期
1967.06.05
申请人
WOLFGANG GRAFE
发明人
WOLFGANG GRAFE
分类号
主分类号
代理机构
代理人
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