PNST 22-2014

Potatoes probe weight. Methods and means of verification

Petroleum and natural gas industry. Subsea production systems. An evaluation of the risks and benefits of well access channels in subsea wellhead equipment

Copper. Methods for the determination of antimony

State system for ensuring the uniformity of measurements. Standard reference data. Pyezokeramic materials aNaNbO3+bKNbO3+cCuNb2O6. Dielectric, piezoelectric characteristics at the temperature of 25°C

Electrical household water-heaters. General specifications

Water-tube boilers and auxiliary installations. Part 7. Requirements for equipment for the boiler