GB/T 9649.21-2009

Terminology classification and code of geology and mineral resources -Part 21: Engineering geology

NORMA vydána dne 15.10.2009

Anglicky a čínsky -
Elektronické PDF (NA DOTAZ)

The information about the standard:

Designation standards: GB/T 9649.21-2009
Publication date standards: 15.10.2009
Country: Chinese technical standard
Kategorie: Technické normy GB