GB/T 9808-1988

Series of hydrogeologic and water well drilling tubings

NORMA vydána dne 5.9.1988

Anglicky a čínsky -
Elektronické PDF (11553.40 CZK)

The information about the standard:

Designation standards: GB/T 9808-1988
Note: NEPLATNÁ
Publication date standards: 5.9.1988
Country: Chinese technical standard
Kategorie: Technické normy GB