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发明名称
A REAR PROJECTION SCREEN FOR DISTRIBUTION OF LIGHT OF THE PROJECTOR EVENLY OVER THE SPECTATORS
摘要
申请公布号
IN153257(B)
申请公布日期
1984.06.23
申请号
IN1979DE77519
申请日期
1979.11.05
申请人
SECRETARY,NATIONAL COUNCIL OF EDUCATIONAL RESEARCH AND TRAINING
发明人
RATNA VED;BHATTACHARYA P.K.;KUMAR POORAN
分类号
G03B21/00;(IPC1-7):G03B21/00
主分类号
G03B21/00
代理机构
代理人
主权项
地址
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