GB 51044-2014

Code for investigation of geotechnical engineering in the coal mine goaf

NORMA vydána dne 1.1.2014

Anglicky a čínsky -
Elektronické PDF (NA DOTAZ)

The information about the standard:

Designation standards: GB 51044-2014
Publication date standards: 1.1.2014
Country: Chinese technical standard
Kategorie: Technické normy GB