1
Chemicals used in industry and science; unprocessed artificial resins, unprocessed plastics; tempering and soldering preparations; adhesives used in industry; unprocessed epoxy resins; textile waterproofing chemicals; textile-impregnating chemicals; metal-hardening preparations; textile-hardening preparations
17
Rubber, gutta-percha, gum, asbestos, mica and goods made from these materials and not included in other classes; plastics in extruded form for use in manufacture; packing, stopping and insulating materials; flexible pipes, not of metal; repair sleeves of composite materials for the repair of water and gas pipes, flexible pipes, not of metal, flexible sleeves composed of several contiguous layers of plastic, of textile and/or of felts impregnated with thermo-setting resins for the repair of water or gas pipes; flexible composite materials consisting of several continguous layers of plastic used to form repair sleeves for the repair of water and gas pipes
24
Textiles and textile goods, not included in other classes; textiles included in class 24, namely textiles and flexible composite materials consisting of several contiguous layers of textile and/or felts impregnated with thermo-setting resins which can be used to form repair sleeves for the repair of water or gas pipes
37
Building construction; repair; installation services; construction, installation, repair, maintenance and renovation of pipes; pipe cleaning
42
Pipeline inspection; quality control, in particular for pipelines; technical project studies; engineering