
Pren Iso 14520-6 - Gaseous Fire Extinguishing Systems - Physical Properties And System Design - Part 6: Hcfc Blend A Extinguishant
出版:British Standards Institution

專家解讀視頻
Pren Iso 14520-6 - Gaseous Fire Extinguishing Systems - Physical Properties And System Design - Part 6: Hcfc Blend A Extinguishant
出版:British Standards Institution
專家解讀視頻