Sacks, bags, foils, tubes and couplings made of rubber, gutta-percha, gum, plastics, included in this class, for medical, scientific or biotechnological purposes, especially for the freezing-preservation;
foils for the manufacturing of the aforementioned goods;
tubes, tube systems and couplings, especially for medical, scientific or biotechnological purposes;
all afore-mentioned goods not for the food area but exclusively for freezing preservation of biological and biochemical material, in particular cell material for biological and medical research and therapy