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发明名称
Illuminating system using fluid and solid media
摘要
申请公布号
US2703547(A)
申请公布日期
1955.03.08
申请号
US19520306969
申请日期
1952.08.28
申请人
HARDESTY GEORGE K C
发明人
HARDESTY GEORGE K. C.
分类号
G04B19/30
主分类号
G04B19/30
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