Welded stainless steel tubes for the conveyance of aqueous liquids inclu ding water for human consumption - technical delivery conditions 包括人生活用水在内的水成液输送用焊接不锈钢管.交货技术条件
2.
Welded stainless steel tubes for the conveyance of water and other aqueous liquids - technical delivery conditions ; german version en 10312 : 2002 a1 : 2005 水和其他水成液输送用焊接不锈钢管.交货技术条件
3.
Non - alloy steel tubes and fittings for the conveyance of water and other aqueous liquids - technical delivery conditions ; german version en 10224 : 2002 a1 : 2005 水和其他水成液输送用非合金管和配件.交货技术条件
