Russian standards PDF
Soils. Determination of mobile compounds of phosphorus and potassium by Machigin method modified by CINAO
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Primary network of coordinated automated complex telecommunication system of the CMEA member countries for transmitting all kinds of information. Terms and definitions
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Studio and out of studio television equipment. Methods of subjective assessment of colour television pictures quality
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Tools for cold upset automatic machines. Trim dies. Construction and dimensions
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