GB 30180-2024 Chinese PDF GB/T 30425-2025 GB/T 41869

GB/T 41869

GB/T 45474-2025_Chinese: Test method for mode II interlaminar fracture toughness of carbon fiber reinforced composite materials - Three point bending method with end notched (Chinese: 碳纤维增强复合材料Ⅱ型层间断裂韧性的测定 端部切口三点弯曲法)

GB/T 27697-2024_Chinese: Hydraulic bottle jacks (Chinese: 立式油压千斤顶)

English versions: GB/T 27772-2025

3-2024_Chinese: Safety of intelligent consumer product - Part 3: Risk control (Chinese: 智能消费品安全 第3部分：风险控制)

GB 30180-2024 Chinese PDF GB/T 30425-2025 GB/T 41869GB 30180 2024_Chinese: Norm of energy consumption per unit production of coal to olefins, coal to synthetic natural gas and coal to liquids (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB 30180 2024