
Brass and copper tubes for heat exchanges. Specifications
NORMA vydána dne 1.1.1977
Designation standards: GOST 21646-76
Note: NEPLATNÁ
Publication date standards: 1.1.1977
The number of pages: 23
Approximate weight : 69 g (0.15 lbs)
Country: Russian technical standard
Kategorie: Technické normy GOST