Russian standards PDF
Railway applications. Rolling stock. Batteries for auxiliary power supply systems. Part 4. Nickel-metal hydride batteries. Technical requirements
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Information technologies. Biometrics. Life cycle stages and steps of biometric systems. General principles
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Information technologies. Biometrics. Procedure for the development and commissioning of biometric systems
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Information technology. Internet of Things (IoT). Interoperability for IoT systems. Part 3. Semantic interoperability
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Cover paper for school copybooks (student). Specifications
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