NP 3539-1987
Solid fuel. Coal and coke. Analysis and forecasting of different bases

Standard No.

NP 3539-1987

Release Date

1987

Published By

PT-IPQ

Latest

NP 3539-1987

NP 3539-1987 history

• 1987 NP 3539-1987 Solid fuel. Coal and coke. Analysis and forecasting of different bases