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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)
t Lawrence seaway (Chinese: 圣劳伦斯航道登岸吊杆)
2-2025_Chinese: Petroleum and natural gas industries - Materials for use in H2S-containing environments in oil and gas production - Part 2: Cracking-resistant carbon and low alloy steels
English versions: GB/T 20042
English versions: GB/T 21666-2025
GB/T 21551.3-2024 Chinese PDF (GB /T21551.3-2024) GB/T 20882.7-2025 2-2024_Chinese: Devices and integration inGB T 21551. 3 2024_Chinese: Antimicrobial and cleaning function of household and similar electrical appliances Part 3: Particular requirements for air cleaner (Chinese: 3) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 21551. 3 2024
