Каталог стандартов

+7 (495) 223-46-76 +7 (812) 309-78-59
inform@normdocs.ru

IEC 60051-4:1984 ed4.0

Заменен
Direct acting indicating analogue electrical measuring instruments and their accessories. Part 4: Special requirements for frequency meters — 17 стр.
IEC 60051-4:1984 ed4.0
Заменен
IEC 60051-4:2018 ed5.0
Действует