[Domestic utility model] Humidifier hardness removal and sterilization device (Expiration)
Admin
Utility Model No. 20-0056005 / Application Date: 1987-02-26 / Registration Date: 1991-04-12
NaOClean – Bacteria Control Solution

Admin
Utility Model No. 20-0056005 / Application Date: 1987-02-26 / Registration Date: 1991-04-12