
Fixed firefighting systems – Water mist systems – Part 9: Test protocol for machinery in enclosures not exceeding 260 m³ for open nozzle systems
出版:Danish Standards

专家解读视频
Fixed firefighting systems – Water mist systems – Part 9: Test protocol for machinery in enclosures not exceeding 260 m³ for open nozzle systems
出版:Danish Standards
专家解读视频