Home / Standards / GB/T 31293-2025 GB/T 31293-2025 Active Vacuum resin infusion molding epoxy for wind blade 风电叶片用真空导入环氧树脂 Standard Type GBT ICS 83.120 CCS Q23 Status 现行 Issue Date 2025-06-30 Implementation 2026-01-01 Responsible Dept 中国建筑材料联合会 Drafting Unit N/A