flexible pipe linings made of composite material for sewers; flexible non-metallic pipes; flexible linings consisting of several layers of plastic, felt and/or fabric impregnated with a curable resin for construction of sewers and pipes; composite flexible products consisting of several layers of plastic forming reconstruction linings for sewers; fabric and flexible composite products, consisting of several layers of plastic sheet, fabric and/or felt impregnated with a curable resin which can...

flexible pipe linings made of composite material for sewers; flexible non-metallic pipes; flexible linings consisting of several layers of plastic, felt and/or fabric impregnated with a curable resin for construction of sewers and pipes; composite flexible products consisting of several layers of plastic forming reconstruction linings for sewers; fabric and flexible composite products, consisting of several layers of plastic sheet, fabric and/or felt impregnated with a curable resin which can...