Enlaces
- Total de enlaces: 2
- Enlaces A: 1
- Enlaces B: 0
- Enlaces C: 1
| Referencia | Título | Categoría |
|---|---|---|
| ISO/TC 27 | Coal and coke | A |
| ISO/TC 27/SC 5/WG 14 | Petrographic analysis of coals | C |
Notas
Liaisons A: Organizations that make an effective contribution to the work of the technical committee or subcommittee for questions dealt with by this technical committee or subcommittee.
Liaisons B: Organizations that have indicated a wish to be kept informed of the work of the technical committee or subcommittee.
Liaisons C: Organizations that make a technical contribution to and participate actively in the work of a working group.