Standards

DB35/T 2325-2026 Intellectual Property Full-Chain Public Service Standards

This document stipulates the public service platform, service personnel, information resources, service requirements, service content, service process, evaluation and improvement of the full-chain public services for intellectual property. This document is applicable to the full-chain public services provided by the intellectual property public service platform (hereinafter referred to as the "public service platform").

Publish Date: 2026-05-11

DB21/T 4420-2026 Employment and Unemployment Registration Service Specification

Publish Date: 2026-05-07

DB21/T 4421-2026 Evaluation Procedures for Natural Recovery of Abandoned Mines

Publish Date: 2026-05-07

DB21/T 4422-2026 Protocol for surveying carbon stocks of seagrass beds

Publish Date: 2026-05-07

DB21/T 4423-2026 Technical Specification for Close-to-Zero Energy Buildings

Publish Date: 2026-05-07

Technical Specifications for the Application of Steel-lined Composite Fire-resistant Ducts of DB21/T 4424-2026

Publish Date: 2026-05-07

\nDB21/T 4425-2026 Technical Specifications for the Cultivation of Japonica Rice by Pot Seedling Method

Publish Date: 2026-05-07

DB21/T 4426-2026 Rice carbon sequestration and emission reduction production technical specifications

Publish Date: 2026-05-07

DB21/T 4427-2026 Corn-soybean intercropping and rotation prevention cultivation technical specification

Publish Date: 2026-05-07

DB21/T 4428-2026 The standard of care for dairy cows during the periparturient period

Publish Date: 2026-05-07

DB21/T 3722.8-2026 Guidelines for High Standard Farmland Development Part 8: Soil Improvement Engineering

Publish Date: 2026-05-07

DB21/T 3722.9-2026 Guidelines for High Standard Farmland Construction Part 9: Engineering for Eliminating Obstacle Soil Layer

Publish Date: 2026-05-07