标题: ISO 8639:2016 Glass-reinforced thermosetting plastics (GRP) pipes and fittings [打印本页] 作者: cc523pate 时间: 2017-8-3 21:00:50 标题: ISO 8639:2016 Glass-reinforced thermosetting plastics (GRP) pipes and fittings
ISO 8639:2016 Glass-reinforced thermosetting plastics (GRP) pipes and fittings — Test methods for leaktightness and proof of structural design of flexible joints