alarm systems

• Acceptance check criterion of security and alarm systems
  安全防范系统验收规则
• Optimization design on the urgent general alarm system
  紧急通用报警系统的优化设计
• Control units and accessories for fire alarm systems
  火灾警报系统用控制装置和附件
• Alarm systems - intrusion systems - power supplies
  报警系统.干扰系统.电力供应
• Symbols for use in diagrams of security and alarm system
  安全防范系统通用图形符号
• Alarm systems - intrusion systems - general requirements
  警报系统.干扰系统.一般要求
• E fire alarm system : 5871 detectors all over the plant
  火警系统：全厂5871只感知器。
• Audio and visual signals of the emergency alarm system
  视听警号两部份的紧急警报系统
• Fire detection and fire alarm systems . part 1 : introduction
  火灾探测和火警系统.导言
• Operational test for automatic fire alarm systems
  火灾自动报警系统效用试验