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经营范围
发明名称
Improvements in or relating to devices for locating picture-plates in succession so as to be substantially normal to the light path of a projection apparatus
摘要
申请公布号
GB649766(A)
申请公布日期
1951.01.31
申请号
GB19460029885
申请日期
1946.10.07
申请人
N. V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
分类号
G03B23/14
主分类号
G03B23/14
代理机构
代理人
主权项
地址
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