美利体育登录入口官网:EN 1119:2009
塑料管道系统.玻璃增强热固塑料(GRP)管路和管配件接头.与橡胶密封件连接的非耐推力弹性接头的密封性和抗破性测试方法
Plastics piping systems - Joints for glass-reinforced thermosetting plastics (GRP) pipes and fittings - Test methods for leaktightness and resistance to damage of non-thrust resistant flexible joints with elastomeric sealing elements