NP 931-1987
Natural gas heating appliances. Gas fuel flame control equipment. Equipment that safely extinguishes flames

Standard No.

NP 931-1987

Release Date

1987

Published By

PT-IPQ

Latest

NP 931-1987

NP 931-1987 history

• 1987 NP 931-1987 Natural gas heating appliances. Gas fuel flame control equipment. Equipment that safely extinguishes flames