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English versions: GB/T 45280-2025
GB/T 45488-2025_Chinese: Ships and marine technology - Fireproof watertight hatch covers (Chinese: 船舶与海上技术 防火水密舱口盖)
GB/T 33840-2025_Chinese: General technical requirements for water jacket furnaces (Chinese: 水套加热炉通用技术要求)
English versions: GB/T 45605-2025
English versions: GB/T 45213-2025
GB/T 28847.6-2023 Chinese PDF (GB/T28847.6-2023) GB/T 18910.64-2025 English versions: GB/T 45280-2025GB T 28847. 6 2023_Chinese: Building automation and control systems Part 6: Data communication protocol conformance testing (Chinese: 6) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 28847. 6 2023
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