GB 28007-2024 Chinese PDF GB/T 23454-2025 1-2025_Chinese: Test methods for polarizers

1-2025_Chinese: Test methods for polarizers of flat panel displays - Part 1: Physical and chemical properties (Chinese: 平板显示器偏光片测试方法 第1部分：理化性能)

2-2024_Chinese: Implants for surgery - Active implantable medical devices - Part 2: Cardiac pacemakers (Chinese: 手术植入物 有源植入式医疗器械 第2部分：心脏起搏器)

1-2025_Chinese: Information technology - Chinese coded character set - 24 dot matrix font of Chinese ideogram - Part 1: Song ti (Chinese: 信息技术 中文编码字符集 汉字24点阵字型 第1部分：宋体)

GB 45246-2025_Chinese: Norm of energy consumption per unit production of main wood-based panel products (Chinese: 人造板类主要产品单位产品能源消耗限额)

GB 28007-2024 Chinese PDF GB/T 23454-2025 1-2025_Chinese: Test methods for polarizersGB 28007 2024_Chinese: Technical specifications for the safety of infants and children furniture (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB 28007 2024