GB/T 22069-2024 Chinese PDF (GB/T22069-2024) YY/T 0294.1-2024 English versions: GB/T 22283-2025

English versions: GB/T 22283-2025

English versions: GB/T 45136-2024

1-2025_Chinese: Optics and photonics - Test methods for telescopic systems - Part 1: Basic characteristics (Chinese: 光学和光子学 望远镜系统试验方法 第1部分：基本特性)

GB 25596-2025_Chinese: National food safety standard - General Rules for Infant Formula Food for Special Medical Purposes (Chinese: 食品安全国家标准 特殊医学用途婴儿配方食品通则)

GB/T 22069-2024 Chinese PDF (GB/T22069-2024) YY/T 0294.1-2024 English versions: GB/T 22283-2025GB T 22069 2024_Chinese: Gas engine driven air condition (heat pump) unit (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 22069 2024