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Technical Specifications for Mine Construction and Drainage Jointly issued by the Ministry of Housing and Urban-Rural Development of the People's Republic of China and the General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China Industrial/Agricultural Technology

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National Standard of the People's Republic of China Technical Specifications for Coastal Soft Soil Foundation and Dam Engineering GB/T 50943-2015 Jointly issued by the Ministry of Housing and Urban-Rural Development of the People's Republic of China and the General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China Works Building Codes

43'860₮

Technical Specifications for Energy Measurement and Monitoring Engineering for Iron and Steel Enterprises jointly issued by the Ministry of Housing and Urban-Rural Development of the People's Republic of China and the General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China Industrial/Agricultural Technology

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Electric Power Industry Standards of the People's Republic of China Technical Specifications for Power System Relay Protection Design DL/T 5506-2015 Released by the National Energy Administration Industrial/Agricultural Technology

40'710₮