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Non-destructive testing. Evaluation of gas porosity in aluminium casting alloys by ultrasound. General requirements
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Seeds of hornbeam, linden and some tree species of limited spread. Sowing characteristics. Specifications
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Microbiology of food and animal feeding stuffs. Guidelines for the estimation of measurement uncertainty for quantitative determinations
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United power system and isolated power systems. Relay protection and automation. Differential protection of power lines at voltage 330 kV and above. Testing
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