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Unified system for design documentation. Graphic designations in electric diagrams. Integral optoelectronic elements of indication
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Arc welding of structural cast irons. Requirements for technological process
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Methods of testing the impact of chemical products on the human body. Tests for the assessment of acute irritant/corrosive effects on the skin
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Thermistors.Methods for measuring power and sensitivity at the operating point
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Thermochemical signalling devices of combustible gases and vapours. General specifications
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