GB/Z 17624.8-2025 Chinese PDF (GB /Z17624.8-2025) GB/T 44835-2024 English versions: GB/T 44888-2024

English versions: GB/T 44888-2024

2-2025_Chinese: Optics and photonics - Test methods for telescopic systems - Part 2: Binoculars (Chinese: 光学和光子学 望远镜系统试验方法 第2部分：双筒望远镜)

GB 20052-2024_Chinese: Minimum allowable values of energy efficiency and the energy efficiency grades for power transformers (Chinese: 电力变压器能效限定值及能效等级)

GB/T 44965-2024_Chinese: Determination of β-apo-8′-carotenoic acid ethyl ester in feeds - High performance liquid chromatography (Chinese: 饲料中β-阿朴-8′-胡萝卜素酸乙酯的测定 高效液相色谱法)

GB/Z 17624.8-2025 Chinese PDF (GB /Z17624.8-2025) GB/T 44835-2024 English versions: GB/T 44888-2024GBZ17624. 8 2025_Chinese: Electromagnetic compatibility General Part 8: Phase angles of harmonic current emissions and voltages in the public supply networks Future expectations (Chinese: 8 ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GBZ17624. 8 2025