Method of making novelty displays

作者: John E Feldman

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摘要: This: invention relates to. a ,novel display device for advertising,: educational, entertainment and similar .purposes,and to the .method of making same. Mlore particularly; -this .invention like comprising:a relatively large article in -a. transparent...

参考文章(3)
Kelly Brendan Kevin, Cooper Alfred, Staudinger Hanns Peter, Process for making shaped porous masses of thermoplastic synthetic resinous materials ,(1945)
Opavsky Walter, Production of hollow products ,(1940)