GB/T 28952-2024 Chinese PDF (GB/T28952-2024) GB/T 45139-2024 English versions: GB/T 33223-2024

English versions: GB/T 33223-2024

English versions: GB/T 36621-2025

GB/T 45599-2025_Chinese: Liquid silicone rubber - Self-lubricating type for connectors (Chinese: 液体硅橡胶 连接器用自润滑型)

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)

control and monitoring (Chinese: 低压电气装置 第5-53部分：电气设备的选择和安装 用于安全防护、隔离、通断、控制和监测的电器)

GB/T 28952-2024 Chinese PDF (GB/T28952-2024) GB/T 45139-2024 English versions: GB/T 33223-2024GB T 28952 2024_Chinese: Forest certification in China Chain of custody (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 28952 2024