Russian standards PDF

Optics and photonics. Physical optics. Terms, definitions and letter designations of basic quantities

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Optics and photonics. Lasers and laser-related equipment. Test method for angle resolved scattering

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Electronics automated design systems. Information support. SPICE models. Application procedure

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Hydraulic drives. Hydraulic motors. Acceptance rules and methods of tests

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Medical electrical equipment. Microwave therapy equipment. Technical condition control methods

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Precast reinforced concrete foundations for columns of the framework of different kinds of application for skeletal multistory buildings. Specifications

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