Russian standards PDF
Electrical safety in low voltage distribution systems up to 1000 V a.c. and 1500 V d.c. Equipment for testing, measuring or monitoring of protective measures. Part 7. Phase sequence
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Electricity metering equipment (a.c.). Particular requirements. Part 61. Power consumption and voltage requirements
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Fluid fertilizers. Preliminary visual examination and preparation of samples for physical testing
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Earth-moving machines. Determination of slope limits for machine fluid systems operation. Static test method
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Ophthalmometers. Technical requirements and test methods
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