Standards

DB21/T 3852.2-2024 Active

DB21/T 3852.2-2024 Vegetable factory seedling cultivation technical regulations Part 2: Pest and disease control

Publish Date: 2024-09-30

DB21/T 4020-2024 Active

DB21/T 4020-2024 Fruiting and pruning techniques for sweet cherry facilities

Publish Date: 2024-09-30

DB21/T 4019-2024 Active

DB21/T 4019-2024 Potato green prevention and control technical specification for diseases and pests

Publish Date: 2024-09-30

DB21/T 4018-2024 Active

DB21/T 4018-2024 Sea Stingray Breeding Techniques Regulations

Publish Date: 2024-09-30

DB21/T 4017-2024 Active

DB21/T 4017-2024 Sea Spike Gourmet Artificial Breeding and Cultivation Techniques Guidelines

Publish Date: 2024-09-30

DB21/T 4016-2024 Active

DB21/T 4016-2024 Highway data classification and grading guidelines

Publish Date: 2024-09-30

DB21/T 4015-2024 Active

DB21/T 4015-2024 The technical condition evaluation of underwater structures on highway bridges

Publish Date: 2024-09-30

DB21/T 4014-2024 Active

DB21/T 4014-2024 DB21/T 4014-2024 Recycling and Utilization Technology Specification for Construction Waste

Publish Date: 2024-09-30

DB21/T 4013-2024 Active

DB21/T 4013-2024 Solar photovoltaic and heat pump system technical specification

Publish Date: 2024-09-30

DB21/T 4012-2024 Active

DB21/T 4012-2024 Specification for preparation of assembly-type construction engineering technical documents

Publish Date: 2024-09-30

DB21/T 4011-2024 Active

DB21/T 4011-2024 Industrial cybersecurity situational awareness technical specification

Publish Date: 2024-09-30

DB21/T 4010-2024 Active

DB21/T 4010-2024 The requirements for evaluating the security of industrial wireless communication based on cellular networks

Publish Date: 2024-09-30