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English versions: GB 25972-2024
English versions: GB/T 45050-2024
GB/T 45344-2025_Chinese: General technical requirements for fabricated and prefabricated gas piping used in buildings (Chinese: 建筑用装配式预制燃气管道通用技术条件)
English versions: GB/T 45093-2024
GB/T 33475.4-2024 Chinese PDF (GB/T33475.4-2024) GB/T 45552-2025 English versions: GB 25972-2024GB T 33475. 4 2024_Chinese: Information technology High efficiency multimedia coding Part 4: Conformance testing (Chinese: 4) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 33475. 4 2024
US$ 149.50
US$ 124.50
US$ 74.76
US$ 15.00
US$ 167.16
US$ 199.00
US$ 149.50
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US$ 124.50
US$ 199.00
US$ 199.00
US$ 167.16
US$ 59.90
US$ 167.16
US$ 124.50
