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GB/T 18603-2023_Chinese: Technical requirements of measuring systems for natural gas (Chinese: 天然气计量系统技术要求)
GB/T 45255-2025_Chinese: Specifications for comprehensive evaluation of public credit (Chinese: 公共信用综合评价规范)
GB/T 38001
4-2023_Chinese: Processes
GB/T 23713
GB/T 40006.11-2024 Chinese PDF (GB/T40006.11-2024) GB/T 16702.7-2025 GB/T 18603-2023_Chinese: Technical requirements ofGB T 40006. 11 2024_Chinese: Plastics Recycled Plastics Part 11: Polyvinyl chloride(PVC)materials (Chinese: 11PVC) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 40006. 11 2024
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