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GB/T 13815
English versions: GB/T 22517
2-2025_Chinese: Criteria for nuclear reactor instrumentation - Part 2: Pressurized water reactors (Chinese: 核反应堆仪表准则 第2部分：压水堆)
GB 17440-2025_Chinese: Safety specification for the protection of dust explosion for grain processing
English versions: GB/T 1480-2025
GB/T 20972.2-2025 Chinese PDF (GB /T20972.2-2025) GB/T 23500-2025 GB/T 13815GB T 20972. 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, and the use of cast irons (Chinese: 2) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 20972. 2 2025
US$ 15.00
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US$ 282.60
US$ 23.00
US$ 10.50
US$ 23.00
US$ 18.90
