GB/T 34874.1-2025 Chinese PDF (GB /T34874.1-2025) GB/T 20042.7-2024 English versions: GB/T 34874

English versions: GB/T 34874

English versions: GB/T 42968

5-2024_Chinese: Devices and integration in enterprise systems - Function blocks(FB) for process control and electronic device description language(EDDL) - Part 5: EDDL Built-in library (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5部分：EDDL内置库)

GB/T 44873-2024_Chinese: Product traceability - Rules and requirements for traceability coding (Chinese: 产品追溯 追溯编码规则和要求)

GB/T 32468-2025_Chinese: Copper clad aluminum plates

GB/T 34874.1-2025 Chinese PDF (GB /T34874.1-2025) GB/T 20042.7-2024 English versions: GB/T 34874GB 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