GOST 12937-67

Information technology. Internet of things. Wireless protocol based on narrow band RF modulation (NB-Fi)

Mine equipment earthing. Check methods and specifications

Plain bearings. Thin-walled half bearings with or without flange. Tolerances, design features and methods of test

Acoustics and vibration. Laboratory measurement of vibro-acoustic transfer properties of resilient elements. Part 3. Indirect method for determination of the dynamic stiffness of resilient supports for translatory motion

Precision alloys. Grades

Residual current operated circuit-breakers with integral overcurrent protection for household and similar uses (RCBO`s). Part 2-1. Applicability of the general rules to RCBO's functionally independent of line voltage