Phonograph record album package

作者: Donald W Kosterka

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摘要: A phonograph record album package made from a blank of sheet material formed to provide at least six printable surfaces and an integral record-receiving pocket.

参考文章(3)
Wilburger William, Envelope for disk records ,(1921)
Rivera Arthur, John A Gabriel, Soto Aldo J De, Blank adapted to be formed into a multiple layer packaging element ,(1966)