
Hygiene in the drinking water installation - Part 5: Risk assessment of the stagnant water in certain fire extinguishing and fire protection systems
出版:Wirtschafts und Verlagsgesellschaft Gas und Wasser

專家解讀視頻
Hygiene in the drinking water installation - Part 5: Risk assessment of the stagnant water in certain fire extinguishing and fire protection systems
出版:Wirtschafts und Verlagsgesellschaft Gas und Wasser
專家解讀視頻