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English versions: GB/T 6148-2025
GB/T 19830-2023_Chinese: Petroleum and natural gas industries - Steel pipes for use as casing or tubing for wells (Chinese: 石油天然气工业 油气井套管或油管用钢管)
GB/T 45178-2024_Chinese: Man-made fibre - Determination of antioxidant activity - DPPH and ABTS methods (Chinese: 化学纤维 抗氧化活性测定 DPPH和ABTS法)
English versions: GB/T 45386
English versions: GB/T 17732-2023
GB/T 28886-2023 Chinese PDF (GB/T28886-2023) GB 30251-2024 English versions: GB/T 6148-2025GB T 28886 2023_Chinese: Plastic windows and doors for buildings (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 28886 2023
US$ 39.90
US$ 24.00
US$ 44.90
US$ 92.90
US$ 39.90
US$ 12.90
US$ 199.00
US$ 16.90
US$ 32.90
US$ 185.00
US$ 24.00
US$ 16.90
US$ 45.00
US$ 107.90
