Security in educational organisations. Provision of security services at preschool, comprehensive and professional facilities of educational organizatations. General requirements
Design and manufacture of site built, vertical, cylindrical, flat-bottomed steel tanks for the storage of refrigerated, liquefied gases with operating temperatures between 0 °C and to -165 °C. Part 1. General
State system for ensuring the uniformity of measurements. Instruments of measurement of characteristic of ultraviolet radiation for medical sources. Verification procedure
€10
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