Russian standards PDF
Electromagnetic compatibility. Limits for harmonic current and negative sequence current emissions in the public electrical networks of medium and high voltage
Document status: Active
Railway rolling stock control systems in automatic and remote modes. General technical requirements
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Railway rolling stock control systems in automatic and remote modes. Detection and identification subsystem requirements
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Organic farming. By-products of animal husbandry based on manure and droppings. Specifications
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Spatial data. Standard representation of geographic point location by coordinates
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Optics and photonics. Lenses for optical electronic systems. Method for measuring numerical aperture
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