DIN EN 14364 E:2011 带压或不带压排水和污水处理用塑料管道系统 基于不饱和聚酯树脂（UP）的玻璃增强热固性塑料（GRP） 管道、配件和接头规范 草案
Draft Document - Plastics piping systems for drainage and sewerage with or without pressure - Glass-reinforced thermosetting plastics (GRP) based on unsaturated polyester resin (UP) - Specifications for pipes, fittings and joints; German version prEN 1...