GB 45549-2025 Chinese PDF GB/T 21044-2024 GB/T 26436-2025_Chinese: Diagnostic techniques for

GB/T 26436-2025_Chinese: Diagnostic techniques for avian leukosis (Chinese: 禽白血病诊断技术)

2-2024_Chinese: Devices and integration in enterprise systems - Function blocks(FB) for process control and electronic device description language(EDDL) - Part 2: Specification of FB concept (Chinese: 企业系统中的设备和集成 过程控制用功能块（FB）和电子设备描述语言（EDDL） 第2部分：FB概念规范)

GB 45184-2024_Chinese: Optometry products - Safety technical specifications of components (Chinese: 眼视光产品 元件安全技术规范)

English versions: GB/T 26718-2024

English versions: GB/T 21307-2025

GB 45549-2025 Chinese PDF GB/T 21044-2024 GB/T 26436-2025_Chinese: Diagnostic techniques forGB 45549 2025_Chinese: Norm of energy consumption per unit production of graphite and fluorite (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB 45549 2025