Home / Standards / GB/T 43977-2024 GB/T 43977-2024 Active Electronic gas—Octafluorocyclobutane 电子气体 八氟环丁烷 Standard Type GBT ICS 71.100.20 CCS G86 Status 现行 Issue Date 2024-04-25 Implementation 2024-11-01 Responsible Dept 国家标准委 Drafting Unit N/A