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GB/T 14478-2025_Chinese: Basic technical specification of inlet valves for large and medium-sized hydraulic turbines (Chinese: 大中型水轮机进水阀门基本技术规范)
GB/T 33492-2024_Chinese: Management specification of second-hand goods exchange market (Chinese: 二手货交易市场经营管理规范)
GB/T 17812-2025_Chinese: Determination of vitamin E in feeds - High performance liquid chromatography (Chinese: 饲料中维生素E的测定 高效液相色谱法)
GB/T 10781
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 33920-2025 Chinese PDF (GB /T33920-2025) GB 31604.61-2025 GB/T 14478-2025_Chinese: Basic technical specificationGB T 33920 2025_Chinese: Test method for flexible graphite sheets (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 33920 2025
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