自动喷水灭火系统 第17部分:减压阀
Automatic sprinkler system Part 17:Pressure reducing valves
Automatic sprinkler system Part 17:Pressure reducing valves
Automatie sprinkler system Part 16 : Flexible sprinkler hose with fittings
Automatic sprinkler system Part 15:Domestie sprinklers
Automatic sprinkler system-Part 11:Grooved couplings and fittings
General rules for designing the production facilities in accordance with safety and health requirements
General rules for designing the production facilitiesin accordance with safety and health requirements
Point-type smoke detectors using scattered light, transmitted light or ionization
Smoke detectors-Point detectors using scattered light ,transmitted light or ionization
Fire alarm control units
Fire alarm control units