NA 062
DIN Standards Committee Materials Testing
Project
Coal - Methods for petrographic analysis - Part 4: Method of determining microlithotype, carbominerite and minerite composition
Begin
2023-05-20
Planned document number
ISO/DIS 7404-4
Responsible national committee
NA 062-02-83 AA - Testing of solid fuels
Responsible international committee
ISO/TC 27/SC 5/WG 14 - Petrographic analysis of coals