Ventilation for buildings. Non metallic ducts. Ductwork made from insulation ductboards
建筑物的通风 非金属管道 由绝缘管道板制成的管道系统

2003-05-06

Ventilation for buildings - Non-metallic ducts - Ductwork made from insulation ductboards
非建筑用金属通风管-非管道隔热板；德文版EN 13403:2003

2003-08-01

Draft Document - Ventilation for buildings - Non-metallic ducts - Ductwork made from insulation ductboards; German version prEN 13403:1998
文件草案——建筑物通风——非金属管道——由隔热管板制成的管道系统；德文版prEN 13403:1998

1999-02-01