Russian standards

Objective lenses. Method of measuring the focal length

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Fixed and variable vacuum capacitors. General specifications

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Cable releases for still camera shutters. Specifications

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Information and communication technologies in education. Integrated automated control system general education. General regulations

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Field-effect transistors. Drain current for Vgs=0 impulse measurement technique

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Toolmaker`s microscopes. Types, main parameters and dimensions. Technical requirements

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