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GB/T 15470
2 (Chinese: 无损检测 超声检测试块 第2部分：2号标准试块)
English versions: GB/T 17215
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)
GB/T 20236-2025 Chinese PDF (GB /T20236-2025) GB/T 16702.7-2025 GB/T 15470GB T 20236 2025_Chinese: Accelerated outdoor weathering test methods for nonmetallic materials using concentrated natural sunlight (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 20236 2025
US$ 14.95
US$ 119.95
US$ 21.95
US$ 34.96
US$ 35.95
