GOST 741.2-80

Optics and optical instruments. Optical coatings. Part 2. Optical properties

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Fluorite concentrate for welding materials. Specifications

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

Strips of aluminium bronze for springs. Specifications

Textiles. Quantitative chemical analysis. Part 12. Mixtures of acrylic, certain modacrylics, certain chlorofibres, certain elastanes and certain other fibres (method using dimethylformamide)