GB/T 21551.4-2024 Chinese PDF (GB /T21551.4-2024) GB/T 10816-2024 GB/T 27530-2025_Chinese: Diagnostic techniques for

GB/T 27530-2025_Chinese: Diagnostic techniques for bovine haemorrhagic septicaemia (Chinese: 牛出血性败血症诊断技术)

33-2024_Chinese: Specifications for optical fibre test methods - Part 33: Measurement methods and test procedures for mechanical characteristics - Stress corrosion susceptibility (Chinese: 光纤试验方法规范 第33部分：机械性能的测量方法和试验程序 应力腐蚀敏感性参数)

English versions: GB/T 1232

4-2025_Chinese: Uncut finished spectacle lenses - Part 4: Anti-reflective coatings test methods (Chinese: 眼镜镜片 第4部分：减反射膜试验方法)

GB/T 21551.4-2024 Chinese PDF (GB /T21551.4-2024) GB/T 10816-2024 GB/T 27530-2025_Chinese: Diagnostic techniques forGB T 21551. 4 2024_Chinese: Antimicrobial and cleaning function of household and similar electrical appliances Part 4: Particular requirements for refrigerator (Chinese: 4) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 21551. 4 2024