GB/T 45139-2024 Chinese PDF (GB /T45139-2024) GB/T 3606-2025 English versions: GB/T 45116-2024

English versions: GB/T 45116-2024

English versions: GB/T 35624-2025

GB/T 26718-2024_Chinese: Technical requirements for safety system of urban mass transit (Chinese: 城市轨道交通安全防范系统技术要求)

3-2025_Chinese: Uncut finished spectacle lenses - Part 3: Transmittance test methods (Chinese: 眼镜镜片 第3部分：透射比试验方法)

5-2025_Chinese: Lightning protection system components(LPSC) - Part 5: Requirements for earth electrode inspection housings and earth electrode seals (Chinese: 雷电防护系统部件（LPSC） 第5部分：接地极检测箱和接地极密封件的要求)

GB/T 45139-2024 Chinese PDF (GB /T45139-2024) GB/T 3606-2025 English versions: GB/T 45116-2024GB T 45139 2024_Chinese: Determination of bergapten content in essential oils of bergamot, lemon, bitter orange and lime(fully or partially reduced in bergapten) High performance liquid chromatography (Chinese: 5 5 ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 45139 2024