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Digital instruments to measure immitance parameters. General technical requirements and methods of tests
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State system for ensuring the uniformity of measurements. State verification schedule for measuring instruments of the content of components in solid and liquid mediums in spectral range from 0,19 to 1,0 mu
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Classification overall performance of influence of environmental conditions appearing in nature on the technical products. Sun radiation and temperature
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Optics and photonics. Diffraction gratings. Types, main dimensions and parameters
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