BS EN 295-6. Vitrified clay pipes systems for drains and sewers Part 6. Requirements for components of manholes and inspection chambers
英国标准EN 295-6 排水管和下水道用陶土管道系统第6部分 人孔和检查室部件的要求
Cross References:prEN 295-1:2010prEN 295-2:2010prEN 295-3:2010prEN 295-4:2010EN 681-1EN 681-4EN 13501-1EN 752All current amendments available at time of purchase are included with the purchase of this document.