Home / Standards / GB/T 7363-2021 GB/T 7363-2021 Active Test method for polynuclear aromatics in petroleum wax 石油蜡中稠环芳烃试验法 Standard Type GBT ICS 75.140 CCS E42 Status 现行 Issue Date 2021-12-31 Implementation 2022-07-01 Responsible Dept 国家标准委 Drafting Unit N/A