GOST 4806-79

State system for ensuring the uniformity of measurements. National standard. Standard reference data. Titanium. Lattice constants for the temperature range from 5 K to 300 К. Linear temperature expansion coefficient for the temperature range from 5 К to 1200 К

Fertilizers and liming materials. Classification

Rehabilitation and habilitation of hearing impaired persons. Types of communication

Pipeline valves. Diaphragm valves of thermoplastics materials. General specifications

Semiconductor diodes. Method of measuring of direct forward voltage and direct forward current

Cylindrical worm gear pairs. Modules and coefficients of worm diameter