Standards

DB31/T 477-2024 Active

DB31/T 477-2024 Travel agency service quality requirements and classification

Publish Date: 2024-11-29

DB31/T 1521-2024 Active

DB31/T 1521-2024 DB31/T 1521-2024 Agricultural product brand evaluation guidelines

Publish Date: 2024-11-29

DB31/T 1520-2024 Active

DB31/T 1520-2024 The safety technical specifications for the operation of automotive hydrogen fuel cell systems

Publish Date: 2024-11-29

DB31/T 1519-2024 Active

DB31/T 1519-2024 The standard morphological description of lentil varieties

Publish Date: 2024-11-29

DB31/T 1518-2024 Abolished

DB31/T 1518-2024 Urban rail transit communication and signaling digital operation and maintenance system general requirements

Publish Date: 2024-11-29

DB31/T 1522-2024 Abolished

DB31/T 1522-2024 DB31/T 1522-2024 Street tree maintenance quality evaluation

Publish Date: 2024-11-29

DB31/T 1517-2024 Active

DB31/T 1517-2024 DB31/T 1517-2024 Guidelines for Determining the Impact and Landfall of Tropical Cyclones Affecting and Landfalling in Shanghai

Publish Date: 2024-10-11

DB31/T 1516-2024 Active

DB31/T 1516-2024 DB31/T 1516-2024 Key Special Equipment Evaluation Guidelines

Publish Date: 2024-10-11

DB31/T 1515-2024 Active

DB31/T 1515-2024 Emergency Evacuation Sites Operating Management Guidelines for Flood and Typhoon Preparedness

Publish Date: 2024-10-11

DB31/T 1514-2024 Active

DB31/T 1514-2024 Rapid Detection of Pesticide and Veterinary Drug Residues in Edible Agricultural Products Quality Evaluation Technical Specification

Publish Date: 2024-10-11

DB31/T 1513-2024 Active

DB31/T 1513-2024 DB31/T 1513-2024 Deer reintroduction technical specifications

Publish Date: 2024-10-11

DB31/T 1512-2024 Active

DB31/T 1512-2024 The technical requirements for the differentiation of swine epidemic diarrhea virus, porcine transmissible gastroenteritis virus, and porcine delta coronavirus

Publish Date: 2024-10-11