Russian standards PDF

Cut natural emeralds (inserts in jewelry). Classification. Requirements for sorting and grading

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Satellite communication system 'Sputnik-A'. Framing structure, channel coding and modulation for digital satellite communication system. Specifications

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Technical means of rehabilitation. Light and vibration sound signaling devices. General specifications

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Internet resources and other digital content. Authoring tools. Accessibility requirements for persons with disabilities and other special needs

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Internal buildings and structures utilities. Electric floor heating in residential buildings. Regulation and monitoring of work

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Construction works and typical technological processes. Protection of metal structures from corrosion in the conditions of a construction site. Rules and control of work performance

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