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Electronics automated design systems. Information support. Technical characteristics of electronic components. Cathode ray receiving and converting tubes. Declarative knowledge specifications according to technical characteristics
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Unified system for design documentation. Letter designations
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Cadmium high purity. Method of spectrographic of aluminium, bismuth, iron, cobalt, indium, copper, manganese, arsenic, nickel, tin, lead, antimony and silver
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Nature protection. Land reclamation. Terms and definitions
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Connections of elements of wooden structures on the screws. Test methods
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