GB/T 17766-1999E

Classification for resources/reserves of solid fuels and mineral commodities

NORMA vydaná dňa 8.6.1999

The information about the standard:

Designation standards: GB/T 17766-1999E
Note: NEPLATNÁ
Publication date standards: 8.6.1999
Country: Chinese technical standard
Kategória: Technické normy GB