Multi-layer sterilization package and process for sterilizing equipment wherein items are placed in the multi-layer sterilization package which is adapted for use with a snorkel-type gas treatment apparatus; substantially all gas is withdrawn from the interior of the package; sterilization gas is injected...http://www.google.es/patents/US4660721?utm_source=gb-gplus-sharePatente US4660721 - Sterilization package
