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发明名称
Einstellvorrichtung fuer den in einem ringfoermigen Rahmen angeordneten Spiegelreflektor von Bildwerfern, insbesondere fuer Himmelsprojektion
摘要
申请公布号
DE609657(C)
申请公布日期
1935.02.22
申请号
DE1933S109700D
申请日期
1933.06.13
申请人
SKY PUBLICITY LIMITED
发明人
分类号
G09F19/18
主分类号
G09F19/18
代理机构
代理人
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