Switches for household and similar fixed electrical installations. Collateral standard. Switches and related accessories for use in home and building electronic systems (HBES)
State system for ensuring the uniformity of measurements. National standard. Standard reference data. Tellurian glasses of system TeO2 + R2O and their fusions. Thermal conductivity in the temperatures range from 300 K to 800 К and concentration of oxides of alkaline R2O
€10
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