Standards

DB21/T 4071-2024 Active

DB21/T 4071-2024 Asphalt pavement recycle aggregate application technical specification

Publish Date: 2024-12-20

DB21/T 4070-2024 Active

DB21/T 4070-2024 Technical specification for energy consumption and environmental monitoring system of public buildings

Publish Date: 2024-12-20

DB21/T 4069-2024 Active

DB21/T 4069-2024 General technical specification for backfilling and remediation of mine pits using general industrial solid waste, including fly ash and slag

Publish Date: 2024-12-20

DB21/T 4068-2024 Active

DB21/T 4068-2024 Environmental Air Quality Forecasting Technical Specification

Publish Date: 2024-12-20

DB21/T 4084-2024 Active

DB21/T 4084-2024 Trademark Brand Guidance Station Construction Service Specification

Publish Date: 2024-12-20

DB21/T 4083-2024 Active

DB21/T 4083-2024 Culinary service cutting board usage guidelines

Publish Date: 2024-12-20

DB21/T 4082-2024 Active

DB21/T 4082-2024

Publish Date: 2024-12-20

DB21/T 1909-2024 Active

DB21/T 1909-2024 Liao Yue Bai Niu

Publish Date: 2024-12-20

DB21/T 4081-2024 Active

DB21/T 4081-2024 Liaoyu white cow calf feeding management technical regulations

Publish Date: 2024-12-20

DB21/T 4080-2024 Active

DB21/T 4080-2024 Standard for Construction of Waste Storage Facilities in Livestock and Poultry Farming Places

Publish Date: 2024-12-20

DB21/T 4079-2024 Active

DB21/T 4079-2024 Guidelines for the construction of sewage storage facilities for animal husbandry and poultry farms

Publish Date: 2024-12-20

DB21/T 4078.6-2024 Active

DB21/T 4078.6-2024 DB21/T 4078.6-2024 Outer Invasive Plant Monitoring Technical Regulations Part 6: Curly Hound's Tongue (L. sativum L.)

Publish Date: 2024-12-20