GB/T 11420-2024 Chinese PDF (GB/T11420-2024) GB/T 45211.1-2025 English versions: GB/T 18414-2025

English versions: GB/T 18414-2025

GB/T 45306-2025_Chinese: Railway applications - Power supply with onboard energy storage system for rolling stock - Series hybrid system (Chinese: 轨道交通 机车车辆车载储能供电 串联混合动力系统)

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)

English versions: GB/T 45394-2025

GB/T 11420-2024 Chinese PDF (GB/T11420-2024) GB/T 45211.1-2025 English versions: GB/T 18414-2025GB T 11420 2024_Chinese: Vitreous and porcelain enamels Test method of specular glossiness (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 11420 2024