Rubber, raw or semi worked; gutta-percha; gum, raw or semi-worked; asbestos; mica; Plastics in extruded form for use in manufacture; Packing materials of rubber of plastic; Insulating materials; Sealing and packing cords of rubber; Polyurethane film for use in sealing and insulating sensor devices; Gasket support rings of rubber being o-rings; Artificial resins, in particular fluorocarbon resins or elastomers, being semi-finished products in the form of plates, tubes, rods, blocks, for use in...

INSTRUMENTS FOR MEASURING RADIANT ENERGY