American National Standard Definitions and Requirements for High-Voltage Air Switches, Insulators, and Bus Supports
NORMA vydaná dňa 30.11.1970
Designation standards: IEEE C37.30-1971
Note: NEPLATNÁ
Publication date standards: 30.11.1970
Approximate weight : 300 g (0.66 lbs)
Country: International technical standard
Kategória: Technické normy IEEE