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US6012245A Display frame insert 失效
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Display frame insert
Abstract:
A polymeric resin molded frame insert is combined fittingly with a molded polymeric resin frame to produce a display frame with four centrally disposed symmetrical display openings, with four compact disc cases secured thereon so that the transparent front cover of each compact disc case appears in one of the four display openings, showing therethrough whatever items of visual interest have been installed behind the compact disc case covers.
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