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GB/T 20064
GB 30720-2025_Chinese: Minimum allowable values of energy efficiency and energy efficiency grades for gas cooking appliances (Chinese: 燃气灶具能效限定值及能效等级)
English versions: GB 33955-2024
GB/T 3310-2023_Chinese: Ultrasonic testing method of copper and copper alloy bars (Chinese: 铜及铜合金棒材超声检测方法)
GB/T 23576-2024 Chinese PDF (GB/T23576-2024) GB/T 30565-2025 GB/T 20064GB T 23576 2024_Chinese: Abrasive blasting equipment General technical specifications (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 23576 2024
