Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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DB22/T 5011-2024 Technical standard for external thermal insulation engineering ofmolded polystyrene foam plastic board external wall via email in business day valid
DB22/T 5019-2019 Technical standard for small domestic wastewater treatment engineering via email in business day valid
DB22/T 5020-2019 Technical standard for monitoring measurementof urban rail transit engineering via email in business day valid
DB22/T 5021-2019 Technical standard for polyethylene of raised temperature resistance (PE-RT II) pipeline for heating engineering via email in business day valid
DB22/T 5022-2019 Technical standards for metal decorative thermal insulationboard external thermal insulation on walls via email in business day valid
DB22/T 5024-2019 Technical standard for inspection and monitoringof urban utility tunnel via email in business day valid
DB22/T 5025-2019 Technical standard for urban cable trench engineering via email in business day valid
DB22/T 5026-2019 Technical standard for double jacked-in spun concrete pile via email in business day valid
DB22/T 5027-2019 block masonry engineeringTechnical standrad for construction of concrete small hollow via email in business day valid
DB22/T 5028-2019 Standrad for acceptance of constructional quality ofconcrete small hollow block masonry via email in business day valid
DB22/T 5029-2019 via email in business day valid
DB22/T 5030-2019 Technical standard for built-in insulationcomposite wall via email in business day valid
DB22/T 5032-2019 Technical standard for pipe jacking engineeringof water and sewerage via email in business day valid
DB22/T 5033-2019 Standard for digitization of paper-basedurban construction archives via email in business day valid
DB22/T 5034-2019 Design standard for energy efficiency of residential buildings(Energy efficiency 75%) via email in business day valid
DB22/T 5044-2020 Technical standard for heat pump system engineering via email in business day valid
DB22/T 5064-2021 Evaluation standard of operation management fordistrict heating enterprises via email in business day superseded
DB22/T 5064-2024 Evaluation standard of operation management fordistrict heating enterprises via email in business day valid
DB22/T 5072-2024 Technical standard for solar water heating system of civil buildings via email in business day valid
DB22/T 5168-2024 Technical standard for anti ice and anti slip asphaltpavement of urban rode via email in business day valid
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