Online Standards Store PDF
Water-tube boilers and auxiliary installations. Part 8. Requirements for firing systems for liquid and gaseous fuels for the boiler
Document status: Active
Power supply systems, networks sources, converters and receivers of electric energy. Rated voltages above 1000 V
Document status: Active
Non-linear resistor type gapped surge arresters and metal-oxide surge arresters without gaps for a.c. electrical installations for voltages from 3 to 750 kV. Part 5. Selection and application recommendations
Document status: Active
High frequency magnet malleable materials. Testing methods at the range from 10 kc/s to 1 mc
Document status: Active
Automatic burner gas forced air. Technical safety requirements and test methods
Document status: Active