标准号:IS 7319-1974
发布日期:1974/8/1 12:00:00
实施日期:1999/12/31 12:00:00
适用范围:This standard lays down the requirements for perforated non-reinforced concrete pipes for use in underdrainage work.Note - Reinforced cement concrete perforated concrete pipes may be supplied by mutual agreement between the purchaser and the supplier.