State system for ensuring the uniformity of measurements. State special standard and state verification schedule for means measuring radiation field parameters of antenna systems with operating dimensions of apertures from 1,5 to 3,0 m at the frequency range from 2,5 to 40,0 GHz
Microbiology of food and animal feeding stuffs. Guidelines on preparation and production of culture media. Part 1. General guidelines on quality assurance for the preparation of culture media in the laboratory
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