Home / Standards / GB/T 45877-2025 GB/T 45877-2025 Active Carbon fiber composite materials—Method for planar biaxial tensile testing of laminates 碳纤维复合材料 层合板平面双轴拉伸试验方法 Standard Type GBT ICS 59.100.20 CCS Q53 Status 现行 Issue Date 2025-06-30 Implementation 2026-01-01 Responsible Dept 国家标准委 Drafting Unit N/A