1 Chemical products for industrial and building purposes; chemical additives for cement, mortar, composition floors, and concrete based on arganic compounds; concrete additives, concrete preservatives and concrete waterproofing compounds as well as concrete surface-protecting and corrosion-inhibiting agents, as far as included in class 01.
16 Printed matter, particularly prospectus, brochures, and product-describing documents in the fields of plastic pipe systems for supply, disposal, drainage, electric and telecommunications cabling as well as of crystalline concrete waterproofing systems; instructional and teaching material (except apparatus); playing cards.
17 Packing and insulating materials.
19 Plastic building materials, particularly house inspection chambers, chambers with and without channel, energy conversion chambers for downhill lines, pump chambers, inspection chambers for pressure pipelines, clean-out holes, road gullies, sand separing chambers, sampling chambers, water meter chambers, inspection chambers for the installation of fittings, air relief valves, slide valves and for use as wells, cable chambers for electric and telecommunications lines, all of the above, also in the form of accessible manholes with integrated steps, chamber and manhole covers, pipe connections, tanks, vessels; non-metallic rigid pipes for building.
42 Technical advisory services in the fields of plastic pipe systems for supply, disposal, drainage, electric and telecommunications cabling as well as of crystalline concrete waterproofing systems.