Home / Standards / GB/T 44762-2024 GB/T 44762-2024 Active Lanthanum chloride 氯化镧 Standard Type GBT ICS 77.120.99 CCS H65 Status 现行 Issue Date 2024-10-26 Implementation 2025-05-01 Responsible Dept 国家标准委 Drafting Unit N/A