Insulators for overhead lines with a nominal voltage above 1 kV. Ceramic or glass insulator units for a.c. systems. Characteristics of insulator units of the cap and pin type— 14 стр.
Insulators for overhead lines with a nominal voltage above 1000 V. Ceramic or glass insulator units for a.c. systems. Definitions, test methods and acceptance criteria— 48 стр.
Insulators for overhead lines with a nominal voltage above 1000 V. Insulator strings and insulator sets for a.c. systems. Definitions, test methods and acceptance criteria— 20 стр.
Insulators for overhead lines with a nominal voltage above 1 kV. Ceramic insulators with a.c. systems. Characteristics of insulator units of the long rod type— 12 стр.
Insulators for overhead lines with a nominal voltage above 1000 V. Ceramic or glass insulator units for d.c systems. Definitions, test methods and acceptance criteria— 46 стр.
Hot rolled products of structural steels. Technical delivery conditions for flat products of high yield strength structural steels in the quenched and tempered condition— 28 стр.