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Electrical installations of traction power supply systems for direct current railway. Earthing requirements
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Elastic warp-knitted fabrics. Standard extension characteristics
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Services in railway transport. Quality requirements for passengers’ services by use of mobile services and the Internet
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Plastics. Biodegradation of polyolefins in an open-air terrestrialenv ironment. Specification
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Alloyed and high-alloyed steels. Methods for determination of carbon
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