2018JG/T 194-2018 Residential kitchen and bathroom smoke (gas) duct products
2006JG/T 194-2006 Ventilating duct for residential kitchen and bathroom
1998JG/T 3044-1998 Ventilation duct for residential kitchen
1995JG/T 3028-1995 Exhaust chimney flue for residential kitchen
JG/T 194-2018 Residential kitchen and bathroom smoke (gas) duct products has been changed from JG/T 3028-1995 Exhaust chimney flue for residential kitchen.