DB21/T 4322-2025 Active Liaoning ProvinceLocal standards

DB21/T 4322-2025 Green Building Operating and Maintenance Technical Regulations

Publish Date: 2025-11-30 Implement Date: 2025-12-30 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: DB21/T 4322-2025

Standard Type: Local standards

Standard Status: Active

is_force_gb: no

CCS Name: Residential and public building projects

ICS Name: Building

Publish Date: 2025-11-30

Implement Date: 2025-12-30

Publisher: 辽宁省市场监督管理局

Technical Committee: 辽宁省住房和城乡建设厅

Development Information

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