GOST 5147-80

State system for ensuring the uniformity of measurements. Transfer units of time, frequency and time scale national UTC (SU) from the State primary standard. The Russian Federation with the use of the GLONASS system. Fundamentals

Automatic calling equipment for telephone communication. Requirements for procedures interaction with external equipment and communication channel

Ophthalmic optics. Spectacle frames for corrective eyeglasses. General technical requirements and test methods

Zinc and/or aluminium based coatings on steel. Determination of coating mass per unit area and chemical composition. Gravimetry, inductively coupled plasma atomic emission spectrometry and flame atomic absorption spectrometry

Channels. Dimensions

Information technology. Telecommunications and information exchange between systems. High-level data link control (HDLC) procedures. Frame structure