GB/T 37977.45-2024 Chinese PDF (GB/T37977.45-2024) GB/T 45171-2024 GB/T 44922-2024_Chinese: Additive manufacturing -

GB/T 44922-2024_Chinese: Additive manufacturing - Qualification principles - Qualifying machine operators of laser metal powder bed fusion machines and equipment used in aerospace applications (Chinese: 增材制造 鉴定原则 航空航天用金属激光粉末床熔融设备操作人员资格鉴定)

2-2024_Chinese: Leather - Determination of water resistance of flexible leather - Part 2: Repeated angular compression(Maeser) (Chinese: 皮革 柔软皮革防水性能的测定 第2部分：反复角压缩法（梅泽法）)

GB/T 5612-2025_Chinese: Designation of cast irons (Chinese: 铸铁牌号表示方法)

GB 26920-2024_Chinese: Minimum allowable values of energy efficiency and energy efficiency grades for commercial refrigerating appliances (Chinese: 商用制冷器具能效限定值及能效等级)

GB/T 13077-2024_Chinese: Periodic inspection and evaluation of seamless aluminum alloy gas cylinders (Chinese: 铝合金无缝气瓶定期检验与评定)

GB/T 37977.45-2024 Chinese PDF (GB/T37977.45-2024) GB/T 45171-2024 GB/T 44922-2024_Chinese: Additive manufacturing -GB T 37977. 45 2024_Chinese: Electrostatics Part 4 5: Standard test methods for specific applications Methods for characterizing the electrostatic protection of footwear and flooring in combination with a person (Chinese: 4 5 ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 37977. 45 2024