Test method of air filter units for ventilation and electric air cleaners for ventilation -- Part 1: Technical specifications, requirements and classification system based upon particulate matter efficiency
NORMA vydaná dňa 20.2.2019
Designation standards: JIS B9908-1:2019
Publication date standards: 20.2.2019
The number of pages: 36
Approximate weight : 108 g (0.24 lbs)
Country: Other standards
Kategória: Technické normy JIS