Use this for only one gas

Use this for only one gas, Total:4 items.

The international standard classification for "Use this for only one gas" includes: .

The Chinese standard classification for "Use this for only one gas" includes: .

German Institute for Standardization

• DIN 4759-1 E:2017-07 Process heat installations for more than one kind of energy; one boiler for solid fuel and one for oil or gas and only one chimney; safety requirements and tests
• DIN 4759-1:1986 Process heat installations for more than one kind of energy; one boiler for solid fuel and one for oil or gas and only one chimney; safety requirements and tests
• DIN 4759:2018-04 Process heat installations for more than one kind of energy - One boiler for solid fuel and one for oil or gas and only one chimney - Safety requirements and tests / Note: DIN 4759-1 (1986-04) remains valid alongside this standard until 2018-10-01.
• DIN 4759:2018 Process heat installations for more than one kind of energy - One boiler for solid fuel and one for oil or gas and only one chimney - Safety requirements and tests

Others: Use this for only one gas