低温先导式呼吸阀
Cryogenic pilot-operated breathing valve

2015-04-30

呼吸阀定期校验规则

2023-09-05

道路运输易燃液体危险货物罐式车辆 呼吸阀
Road tanker for flammable Iiquid goods transportation-Pressure and vacuum breather vent

2017-01-09

石油储罐附件 第1部分：呼吸阀
Oil tank appurtenances-Part 1:Breather valve

2011-01-09

石油化工储罐用呼吸阀在线检测规范

2023-12-18

加油站储罐用阻火真空压力呼吸阀

2022-12-08

Respiratory protective devices. Self-contained open-circuit compressed air breathing apparatus with half mask designed to include a positive pressure lung governed demand valve for escape purposes only
呼吸保护装置 带半面罩的自给式开路压缩空气呼吸器 其设计包括一个正压呼吸阀 仅用于逃生目的

2006-05-31

Respiratory protective devices - Self-contained open-circuit compressed air breathing apparatus with half mask designed to include a positive pressure lung governed demand valve for escape purposes only
呼吸防护装置.带半面罩的自给式开路压缩空气呼吸器 其设计包括一个仅用于逃生目的的正压呼吸阀

2006-04-05

Respiratory protective devices - Self-contained open-circuit compressed air breathing apparatus with half mask designed to include a positive pressure lung governed demand valve for escape purposes only
呼吸防护装置——带半面罩的自给式开路压缩空气呼吸器 其设计包括一个正压呼吸阀 仅用于逃生目的；德文版EN 14529:2005

2006-01-01