GOST 18426-73

Systems of distribution of potable water hot-supply. Computational method of energy consumption and effectiveness

Balls for athletics. Requirements and test methods with regards to safety

State system for ensuring the uniformity of measurements. Installations of the highest accuracy for the reproduction of physical quantity units. Order of development, certification, registration, storage and application

Energy effectiveness. Glandless circulators. Part 1. General requirements and procedures for testing and calculation of energy effectiveness index (EEI)

Shaftline conical joints. Types, construction and dimensions

Cell graphite Specifications