EN 15383. Plastics piping systems for drainage and sewerage. Glass-reinforced thermosetting plastics (GRP) based on polyester resin (UP). Manholes and inspection chambers
EN 15383 排水和排污用塑料管道系统 基于聚酯树脂(UP)的玻璃纤维增强热固性塑料(GRP) 人孔和检查室
发布日期:
2010-10-26
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