
Graphical symbols for electrical power, telecommunications and electronics diagrams. Introduction.
NORMA vydána dne 30.4.1975
Designation standards: BS 3939:INTRODUCTION:1966
Note: NEPLATNÁ
Publication date standards: 30.4.1975
Approximate weight : 300 g (0.66 lbs)
Country: British technical standard
Kategorie: Technické normy BS