Russian standards PDF
Electromagnetic compatibility (EMC). Part 3-3. Limits. Limitation of voltage changes, voltage fluctuations and flicker in public low-voltage supply systems, for equipment with rated current
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Electromagnetic compatibility (EMC). Part 4-13. Testing and measurement techniques. Harmonics and interharmonics including mains signalling at a.c. power port. Low frequency immunity tests
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Safety requirements for electrical equipment for measurement, control, and laboratory use. Part 2-020. Particular requirements for laboratory centrifuges
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Auxiliaries for lamps. Capacitors for use in tubular fluorescent and other discharge lamp circuits. General and safety requirements
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Printed boards and printed board assemblies. Design and use. Part 5-3. Attachment (land/joint) considerations. Components with gull-wing leads on two sides
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