GB/T 23480-2025 Chinese PDF (GB /T23480-2025) GB 5009.300-2025 GB/T 18851

GB/T 18851

GB/T 25139-2025_Chinese: Ceramic foam filter for foundry (Chinese: 铸造用泡沫陶瓷过滤网)

GB 45549-2025_Chinese: Norm of energy consumption per unit production of graphite and fluorite (Chinese: 石墨和萤石单位产品能源消耗限额)

3-2024_Chinese: Implants for surgery - Ultra-high-molecular-weight polyethylene - Part 3: Accelerated ageing methods (Chinese: 外科植入物 超高分子量聚乙烯 第3部分：加速老化方法)

English versions: GB/T 26849-2025

GB/T 23480-2025 Chinese PDF (GB /T23480-2025) GB 5009.300-2025 GB/T 18851GB T 23480 2025_Chinese: Small hole drilling electrical discharge machines Testing of the accuracy (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 23480 2025