ICS 75.160CCS B 73中华人民共和国国家标准GB/T 17664—2024木　　炭Charcoal代替 GB/T 17664—19992024-09-29 发布2025-04-01 实施国家市场监督管理总局国家标准化管理委员会发 布目　　次前言 ·····················································································...