Russian standards PDF

Optical fibres. Part 1-21. Measurement methods and test procedures. Coating geometry

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Optical fibres. Part 1-54. Measurement methods and test procedures. Gamma irradiation

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Photovoltaic devices. Part 10. Methods of linearity measurement

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Photovoltaic devices. Part 1. Measurement of photovoltaic current-voltage characteristics

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Photovoltaic devices. Part 5. Determination of the equivalent cell temperature (ECT) of photovoltaic (PV) devices by the open-circuit voltage method

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Photovoltaic devices. Part 9. Solar simulator performance requirements

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