Display system with changeable display elements

作者: Stephen G. Coulthard

DOI:

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摘要: Display apparatus including a translucent display panel, mat panel having apertures disposed over the and plurality of strips electrostatic characteristics releasably attachable apertures.

参考文章(9)
Stanley J. Baryla, Electrostatic display board ,(1985)
Andrew K Cooper, Directory display case ,(1973)
Ronald W. Cobb, Directory sign mask ,(1984)
Owen Thomas Webber, Illuminative directory-board. ,(1917)
Kenney George Henry Woodward, Display board and poster assemblies ,(1983)
Hanque F. D. Amundsen, Film strip holder ,(1989)