GB/T 44916-2024 Chinese PDF (GB /T44916-2024) GB/T 22454-2025 2-2024_Chinese: Programmable controllers - Part

2-2024_Chinese: Programmable controllers - Part 2: Equipment requirements and tests (Chinese: 可编程序控制器 第2部分: 设备要求和测试)

GB/T 32865-2025_Chinese: Quality requirements and test methods for tight sandstone gas products (Chinese: 致密砂岩气产品质量要求和试验方法)

GB/T 25187-2024_Chinese: Surface chemical analysis - Auger electron spectroscopy - Description of selected instrumental performance parameters (Chinese: 表面化学分析 俄歇电子能谱 选择仪器性能参数的表述)

English versions: GB/T 44945-2024

GB/T 44916-2024 Chinese PDF (GB /T44916-2024) GB/T 22454-2025 2-2024_Chinese: Programmable controllers - PartGB T 44916 2024_Chinese: Ships and marine technology Gate valves for use in low temperature applications Design and testing requirements (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 44916 2024