Aviation fuels and petroleum distillates. Determination of aromatic hydrocarbon types by high perfomance liquid chromatography method with refractive index detection
State system for ensuring the uniformity of measurements. State verification schedule for means measuring power of electromagnetic waves within frequency range from 0,03 to 37,50 GHz
Functional safety. Safety instrumented systems for the process industry sector. Part 3. Guidelines for the determination of the required safety integrity levels
Explosive atmospheres. Rules of competence assessment of the personnel performing installation, maintenance, repair and overhaul of the electrical installations intended for use in explosive atmospheres
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