GB 44504-2024 Chinese PDF GB/T 28185-2025 English versions: GB 29140-2024

English versions: GB 29140-2024

GB/T 45471-2025_Chinese: Test method for mode III interlaminar fracture toughness of carbon fiber reinforced composite materials - Edge crack torsion method (Chinese: 碳纤维增强复合材料Ⅲ型层间断裂韧性的测定 边缘裂纹扭转法)

English versions: GB/T 45154-2024

scientific and medical equipment - Radio-frequency disturbance characteristics - Limits and methods of measurement (Chinese: 工业、科学和医疗设备 射频骚扰特性 限值和测量方法)

GB/T 20850-2025_Chinese: Safety of machinery - Guidelines for the application of machinery safety standards (Chinese: 机械安全 机械安全标准应用指南)

GB 44504-2024 Chinese PDF GB/T 28185-2025 English versions: GB 29140-2024GB 44504 2024_Chinese: Risk classification and service life of special production equipment for civil explosive materials (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB 44504 2024