DB21/T 4121-2025 Active Liaoning ProvinceLocal standards

DB21/T 4121-2025 Technical Regulations for the Construction of Video Facilities at Important Nodes and Sections of Ordinary National and Provincial Highways

DB21/T 4121-2025 DB21/T 4121-2025 Technical Regulations for the Construction of Video Facilities at Important Nodes and Sections of Ordinary Provincial and National Highways

Publish Date: 2025-03-30 Implement Date: 2025-04-30 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: DB21/T 4121-2025

Standard Type: Local standards

Standard Status: Active

is_force_gb: no

CCS Name: -

ICS Name: The application of information technology in transportation and trade

Publish Date: 2025-03-30

Implement Date: 2025-04-30

Development Information

Related Standards

GB/T 14805-1993 Abolished

GB/T 14805-1993 Electronic data interchange for administration,commerce and transport (EDIFACT)—Application level syntax rules

Publish Date: 1993-12-28

GB/T 15310.1-1994 Replaced

GB/T 15310.1-1994 Form of document for export trade Commercial invoice

Publish Date: 1994-12-22

GB/T 15310.2-1994 Replaced

GB/T 15310.2-1994 Form of document for export trade Packing list

Publish Date: 1994-12-22

GB/T 15310.3-1994 Replaced

GB/T 15310.3-1994 Form of document for export trade Declaration of shipment

Publish Date: 1994-12-22

GB/T 15310.4-1994 Replaced

GB/T 15310.4-1994 Form of document for export trade Certificate of origin of the People's Republic of China

Publish Date: 1994-12-22

GB/T 15311.1-1994 Replaced

GB/T 15311.1-1994 Form of import license of the People's Republic of China

Publish Date: 1994-12-22