
Pren Iso 14520-9 - Gaseous Fire Extinguishing Systems - Physical Properties And System Design - Part 9: Hfc 227ea Extinguishant
出版:British Standards Institution

專家解讀視頻
Pren Iso 14520-9 - Gaseous Fire Extinguishing Systems - Physical Properties And System Design - Part 9: Hfc 227ea Extinguishant
出版:British Standards Institution
專家解讀視頻