Home / Standards / GB/T 45876-2025 GB/T 45876-2025 Active Imaging materials—Methods for characterization of particles 影像材料 颗粒物表征方法 Standard Type GBT ICS 37.040.99 CCS G81 Status 现行 Issue Date 2025-06-30 Implementation 2026-01-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A