Home / Standards / GB/T 18117-2025 GB/T 18117-2025 Active Photography—Processed photographic colour films and paper prints—Methods for measuring image stability 照相 已加工照相彩色胶片和相纸照片 影像稳定性试验方法 Standard Type GBT ICS 37.040.20 CCS G81 Status 现行 Issue Date 2025-08-01 Implementation 2026-02-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A