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Vacuum Seal, U. S. Rubber, and more

Paper and Adhesive Used in New Coffee Seal

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Scientific American Magazine Vol 168 Issue 4This article was originally published with the title “Vacum Seal, U. S. Rubber, and more” in Scientific American Magazine Vol. 168 No. 4 (), p. 172
doi:10.1038/scientificamerican0443-172a