Preserving, protecting or purifying packages or package contents in association with packaging (by packaging under special atmospheric or gaseous conditions B65B31/00; devices for placing protecting sheets, plugs, or wads over contents B65B61/22)

Child Classifications

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• B65B 55/02 Sterilising, e.g. of complete packages
• B65B 55/20 Embedding contents in shock-absorbing media, e.g. plastic foam, granular material
• B65B 55/22 Immersing contents in protective liquids
• B65B 55/24 Cleaning of, or removing dust from, containers, wrappers, or packaging