DIN 16867
DIN 16867 Glass fibre reinforced polyester resin (UP-GF) pipes, fittings and joints for use in chemical pipelines; Technical delivery conditions
standard by Deutsches Institut Fur Normung E.V. (German National Standard), 07/01/1982
standard by Deutsches Institut Fur Normung E.V. (German National Standard), 07/01/1982