GB/T 34874.1-2025 Chinese PDF (GB /T34874.1-2025) GB/T 33492-2024 GB/T 18851

GB/T 18851

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)

English versions: GB/T 12417

GB 17918-2025_Chinese: Safety specification for dust explosion protection in bulk grain loading and unloading system in port (Chinese: 港口散粮装卸系统粉尘防爆安全规范)

English versions: GB/T 18892-2024

GB/T 34874.1-2025 Chinese PDF (GB /T34874.1-2025) GB/T 33492-2024 GB/T 18851GB T 34874. 1 2025_Chinese: Geometrical product specifications (GPS) X ray three dimensional size measuring machines Part 1: Vocabulary (Chinese: GPS X 1) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 34874. 1 2025