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Electrical installations of traction power supply systems for direct current railway. Earthing requirements
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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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System of standards for information, librarianship and publishing. Thesauri for information retrieval
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The alcohol production and raw material for it producing. Methods for determination of titrating acids
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