Russian standards PDF

Electricity metering equipment (AC). Particular requirements. Part 52. Symbols

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Degrees of protection provided by enclosures against external mechanical impacts (IK code)

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Electromagnetic compatibility of technical equipment. Limitation of voltage fluctuation and flicker, caused by technical equipment with rated current greater than 75 A connected to low-voltage power supply systems. Limits and test methods

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Spices. Ginger (Zingiber officinale Roscoe). Specification

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Textiles. Determination of surface burning time of fabrics

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Eye refractometers. Technical requirements and test methods

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