NA 062
DIN Standards Committee Materials Testing
DIN 22020-1 [CURRENT] references following documents:
| Document number | Edition | Title |
|---|---|---|
| DIN 22011 | 1993-11 | Investigations of the raw material in hard-coal-mining; treatment of exploratory drillings More |
| DIN 51719 | 1997-07 | Testing of solid fuels - Solid mineral fuels - Determination of ash content More |
| DIN 51739 | 1998-05 | Testing of solid fuels - Determination of the dilatation of coal More |
