GB 50778-2012

Code for investigation of geotechnical engineering of open pit coal mine

NORMA vydána dne 28.5.2012

Anglicky a čínsky -
Elektronické PDF (NA DOTAZ)

The information about the standard:

Designation standards: GB 50778-2012
Publication date standards: 28.5.2012
Country: Chinese technical standard
Kategorie: Technické normy GB