To provide a quick freezing apparatus and method making it possible to prevent a subtle reaction between an object-to-be-preserved and a gas inside its freezing store to prevent deformation and deterioration of the object-to-be-preserved as much as possible and freeze-preserve the object maintaining...http://www.google.es/patents/US7810340?utm_source=gb-gplus-sharePatente US7810340 - Quick freezing apparatus and quick freezing method
Quick freezing apparatus and quick freezing method