Steel tubes and tubulars, gas (light), water (medium) and steam (heavy) qualities.
NORMA vydána dne 1.2.1938
Designation standards: BS 789:1938
Note: NEPLATNÁ
Publication date standards: 1.2.1938
The number of pages: 16
Approximate weight : 48 g (0.11 lbs)
Country: British technical standard
Kategorie: Technické normy BS