DB21/T 4163-2025 Active Liaoning ProvinceLocal standards

DB21/T 4163-2025 Urban tunnel construction quality acceptance regulations

Publish Date: 2025-07-30 Implement Date: 2025-08-30 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 4163-2025

Standard Type: Local standards

Standard Status: Active

is_force_gb: no

CCS Name: Industrial and civil construction projects

ICS Name: \nTechnical aspects

Publish Date: 2025-07-30

Implement Date: 2025-08-30

Development Information

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