GB/T 45017-2024 Chinese PDF (GB /T45017-2024) GB 45438-2025 English versions: GB/T 21199-2024

English versions: GB/T 21199-2024

English versions: GB/T 24055

English versions: GB/T 44959

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 29847-2025_Chinese: Test methods for copper foil used for printed boards (Chinese: 印制板用铜箔测试方法)

GB/T 45017-2024 Chinese PDF (GB /T45017-2024) GB 45438-2025 English versions: GB/T 21199-2024GB T 45017 2024_Chinese: Test method for mechanical stability of superhydrophobic surfaces (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 45017 2024