Chemical, biochemical and biotechnological products for industrial and scientific purposes; nucleic acids and enzymes; kits comprising chemical, biochemical and/or biotechnological preparations; kits comprising nucleic acids and/or enzymes, all mentioned goods included in this class

Diagnostics; preparations for medical and veterinary purposes; kits comprising preparations for medical and veterinary diagnostic purposes; kits comprising nucleic acids and/or enzymes for medical and veterinary diagnostic purposes, all mentioned goods included in this class

Light carrying systems and light refracting devices in this class; metallic building materials including all types of skylights, light tubes, windows, light grids, and including metallic parts and fittings therefor

Light carrying systems and light refracting devices in this class; non-metallic building materials including all types of skylights, light tubes, windows, light grids, and including non-metallic parts and fittings therefor

Materials for packing; insulating materials; stopping materials

A flexible conveyor system

Heat transfer apparatus, tubing having extended surface for promoting heat transfer, tubing having coiled fins thereon, units employing heat exchange surfaces, air conditioning, heating, ventilating, cooling, humidifying, dehumidifying and drying equipment, unit apparatus for treating, circulating and processing air, equipment for producing artificial atmospheric conditions, and air handling equipment in which tubing is employed through which fluid may be circulated all being engineering architectural, or building contrivances,