GB/Z 45268-2025 Chinese PDF (GB /Z45268-2025) GB/T 45145-2024 GB/T 45092-2024_Chinese: Testing and evaluation

GB/T 45092-2024_Chinese: Testing and evaluation of electrodes performance for hydrogen production by water electrolysis (Chinese: 电解水制氢用电极性能测试与评价)

English versions: GB/T 45198-2024

English versions: GB/T 22283-2025

English versions: GB/T 26925-2025

English versions: GB/T 6594

GB/Z 45268-2025 Chinese PDF (GB /Z45268-2025) GB/T 45145-2024 GB/T 45092-2024_Chinese: Testing and evaluationGBZ45268 2025_Chinese: Guidelines for principal component reliability testing for LED light sources and LED luminaires (Chinese: LEDLED) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GBZ45268 2025