Low-voltage switchgear and controlgear. Part 5-6. Control circuit devices and switching elements. DC interface for proximity sensors and switching amplifiers (NAMUR)
Polymer-cement base adhesives, base coats and patching putties for facade's thermoinsulation composite systems with external mortar's lays. Specifications
State system for the uniformity of measurements. State verification schedule for means measuring radionuclide activity, specific radioactivity, flux and flux density of б-, в-particles and photons of radionuclide sources