Flanges of metal [collars]; flanged pipes of metal; flanges of metal [collars]; pipe unions of metal; couplings of metal for tubing; flanges of metal for hoses; flanges of metal for waste water pipes, drinking water pipes, mixed water pipes and/or industrial water pipes; flanges of metal for coupling of hoses with pipes; collars of metal for fastening pipes.

Non-metallic couplings for pipes; non-metallic couplings for pipes; non-metallic coupling sleeves for tubes.

industrial chemicals; chemical products for use in industry; chemicals for use in industry; chemicals used in industry and science; chemicals for industrial purposes; chemicals used in industry; chemicals for industrial use