Standards

DB23/T 3981-2024 Active

DB23/T 3981-2024 Nutritional Intervention Guide for Chronic Diseases Patients in Cold Regions

Publish Date: 2025-12-30

DB23/T 3982-2024 Active

DB23/T 3982-2024 Tuberculosis cold-weather nutrition intervention guidelines

Publish Date: 2025-12-30

DB23/T 3983-2024 Active

DB23/T 3983-2024 Technical Specification for Service Performance Evaluation of Cold Region Bridges

Publish Date: 2025-12-30

DB23/T 3984-2024 Active

DB23/T 3984-2024 Technical Specification for Application of Assembled Bellows Steel Structure Roadside Gutter in Cold Regions

Publish Date: 2025-12-30

DB23/T 3985-2024 Active

DB23/T 3985-2024

Publish Date: 2025-12-30

DB23/T 3986-2024 Active

DB23/T 3986-2024

Publish Date: 2025-12-30

DB23/T 3987-2024 Active

DB23/T 3987-2024 Winter anchoring regulations for river ships on international rivers during winter season

Publish Date: 2025-12-30

DB23/T 3988-2024 Active

DB23/T 3988-2024 Long-term performance observation specifications for cold region highway infrastructure

Publish Date: 2025-12-30

DB23/T 3989-2024 Active

DB23/T 3989-2024 Intelligent Toll Collection System Application Technical Specification for Cold Regions Charging Highways

Publish Date: 2025-12-30

DB23/T 3969-2025 Active

DB23/T 3969-2025

Publish Date: 2025-12-01

DB23/T 3970-2025 Active

DB23/T 3970-2025

Publish Date: 2025-12-01

DB23/T 3971-2025 Active

DB23/T 3971-2025 Cold Regions Highway Concrete Beam Forming Construction Technical Regulations Using Scaffold Method

Publish Date: 2025-12-01