Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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Position: Search valid to be valid superseded to be superseded abolished to be abolished
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DB37/T 4833-2025 Technical requirements for construction of soft and hard asphalt mixture via email in business day valid
DB37/T 4834-2025 Guidance for centralized maintenance of expressway via email in business day valid
DB37/T 4850-2025 Technical specification for construction of odour-less asphalt mixtures via email in business day valid
DB37/T 4852-2025 Technical specifications for ultra-thin overlay construction of highway asphalt pavement via email in business day valid
DB37/T 5098-2024 Technical specification for construction of prestressed concrete precast U-shaped beam in urban rail transit via email in business day valid
DB37/T 5099-2024 Technical specification for fair-faced concrete construction in urban rail transit via email in business day valid
DB41/T 2314-2022 via email in business day valid
DB43/T 1173-2016 via email in business day valid
DB43/T 1206-2016 via email in business day valid
DB43/T 1287-2017 via email in business day valid
DB43/T 1299-2017 via email in business day abolished
DB43/T 1300-2017 via email in business day abolished
DB43/T 1313-2017 via email in business day valid
DB43/T 997-2015 via email in business day valid
DB44/T 1356-2014 Test method for filling sand relative density via email in business day to be abolished
DB44/T 499-2008 Construction and Acceptance Specifications for Road Slope Ecological Protection Engineering via email in business day to be abolished
DB44/T 500-2008 Construction and Acceptance Specifications for Quarry Ecological Restoration Engineering via email in business day to be abolished
DB44/T 937-2011 Technical specifications for rubberized asphalt pavement engineering via email in business day to be abolished
DB46/T 590-2023 Classifications and Codes for Traffic Safety Hidden Perils of Highway Facilit via email in business day valid
DB46/T 591-2023 Technical Specification for Ultra-high Performance Lightweight Composite Structure Deck via email in business day valid
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