Fabricated Crocidolite Asbestos Fibres; Mixtures With A Basis Of Crocidolite Asbestos Or With A Basis Of Crocidolite Asbestos And Magnesium Carbonate; Articles Of Such Mixtures Or Of Crocidolite Asbestos, E.g., Thread, Woven Fabric, Clothing, Headgear, Footwear, Gaskets, Whether Or Not Reinforced (excl. Friction Material With A Basis Of Crocidolite Asbestos, And Articles Of Crocidolite Asbestos-cement)