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Unified system of corrosion and ageing protection. Polimer materials and their components. Methods of laboratory tests for mould resistance
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Organic fertilizers. Atomic-absorption method for determination of heavy metals content
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Ð ermanent non-wire resistors and resistive absorbers. Methods for measuring the voltage standing wave ratio
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Retaining spring concentric rings for bores and grooves for them. Dimensions
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State system for ensuring the uniformity of measurements. Electronic octave and third-octave filters. Methods and means of calibration
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