
Household And Similar Electrical Appliances - Safety - Part 2-67: Particular Requirements For Floor Treatment And Floor Cleaning Machines For Commercial Use
出版:Verband Deutscher Elektrotechniker

專家解讀視頻
Household And Similar Electrical Appliances - Safety - Part 2-67: Particular Requirements For Floor Treatment And Floor Cleaning Machines For Commercial Use
出版:Verband Deutscher Elektrotechniker
專家解讀視頻