NA 062
DIN Standards Committee Materials Testing
Standards
[Withdrawn]
ISO 7404-4
ISO 7404-4
Methods for the petrographic analysis of bituminous coal and anthracite; part 4: method of determining microlithotype, carbominerite and minerite composition
Title (German)
Methoden zur petrographischen Analyse von Steinkohle und Anthrazit; Teil 4: Methode zur Bestimmung der Mikrolithotyp-, Karbominerit- und Mineritzusammensetzung
Responsible national committee
NA 062-02-83 AA - Testing of solid fuels