
Fixed Firefighting Systems - Gas Extinguishing Systems - Part 3: Physical Properties And System Design Of Gas Extinguishing Systems For Hcfc Blend A Extinguishant
出版:Swiss Standards

专家解读视频
Fixed Firefighting Systems - Gas Extinguishing Systems - Part 3: Physical Properties And System Design Of Gas Extinguishing Systems For Hcfc Blend A Extinguishant
出版:Swiss Standards
专家解读视频