Three phase dry-type distribution transformers 50 Hz, from 100 kVA to 3 150 kVA, with highest voltage for equipment not exceeding 36 kV - Part 2: Determination of loadability of a transformer loaded with non-sinusoidal current
Non-domestic direct gas-fired forced convection air heaters for space heating not exceeding a net heat input of 300 kW
Non-domestic direct gas-fired forced convection air heaters for space heating not exceeding a net heat input of 300 kW
Non destructive testing - Penetrant testing - Part 1: General principles
Non-destructive testing - Ultrasonic examination - Part 1: General principles
Non-destructive testing - Ultrasonic examination - Part 1: General principles
Non-destructive testing - Ultrasonic examination - Part 2: Sensitivity and range setting
Non-destructive testing - Ultrasonic examination - Part 3: Transmission technique
Non-destructive testing - Ultrasonic examination - Part 4: Examination for discontinuities perpendicular to the surface
Non-destructive testing - Ultrasonic examination - Part 4: Examination for discontinuities perpendicular to the surface
Non-destructive testing - Ultrasonic examination - Part 5: Characterization and sizing of discontinuities
Non-destructive testing - Ultrasonic examination - Part 5: Characterization and sizing of discontinuities
53,361 afzonderlijke normreferenties geïndexeerd op basis van vastgelegde officiële bronnen. Eerdere edities zijn inbegrepen. De index en de collecties van uitgevers hebben een verschillende dekking. Zie bronnen en dekking.