
Intrinsically safe electrical apparatus and circuits for use in explosive atmospheres.
NORMA vydána dne 24.2.1958
Designation standards: BS 1259:1958
Note: NEPLATNÁ
Publication date standards: 24.2.1958
The number of pages: 14
Approximate weight : 42 g (0.09 lbs)
Country: British technical standard
Kategorie: Technické normy BS