Home / Standards / GB/T 46425-2025 GB/T 46425-2025 Active Technical specification for ecological restoration of coal gangue piles 煤矸石山生态修复技术规范 Standard Type GBT ICS 73.040 CCS D20 Status 现行 Issue Date 2025-10-05 Implementation 2026-02-01 Responsible Dept 中国煤炭工业协会 Drafting Unit N/A