Russian standards PDF
Lubricating oils. Determination for high temperature foaming characteristics
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Crude petroleum and liquid petroleum products. Determination of density, relative density and API gravity by hydrometer
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Plastics. Symbols and abbreviated terms. Part 1. Basic polymers and their special characteristics
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Automobile roads of general use. Road traffic lights. Technical requirements
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Electromagnetic compatibility of technical equipment. Systems and equipment of railway transport. Part 4-1. Devices and equipment of railway automatics and telemechanics. Requirements and testing methods
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