Home / Standards / GB/T 14851-2025 GB/T 14851-2025 Active Electronic specialty gas—Phosphine 电子特气 磷化氢 Standard Type GBT ICS 71.100.20 CCS G86 Status 现行 Issue Date 2025-03-28 Implementation 2025-10-01 Responsible Dept 国家标准委 Drafting Unit N/A