Home / Standards / GB/T 26691-2025 GB/T 26691-2025 Active Polyvinyl alcohol coated film 聚乙烯醇涂布薄膜 Standard Type GBT ICS 83.140.01 CCS Y 28 Status 现行 Issue Date 2025-10-05 Implementation 2026-05-01 Responsible Dept 中国轻工业联合会 Drafting Unit N/A