Home / Standards / GB/T 446-2023 GB/T 446-2023 Active Fully refined paraffin wax 全精炼石蜡 Standard Type GBT ICS 75.140 CCS E42 Status 现行 Issue Date 2023-09-07 Implementation 2024-04-01 Responsible Dept 国家标准委 Drafting Unit N/A