GBJ 213-1990

Specifications for construction and acceptance of mine shaft and tunnel structure

NORMA vydána dne 26.6.1990

Anglicky a čínsky -
Elektronické PDF (NA DOTAZ)

The information about the standard:

Designation standards: GBJ 213-1990
Note: NEPLATNÁ
Publication date standards: 26.6.1990
Country: Chinese technical standard
Kategorie: Technické normy GB