GB/T 42513.5-2023 Chinese PDF (GB/T42513.5-2023) GB/T 45423-2025 English versions: GB/T 45347-2025

English versions: GB/T 45347-2025

English versions: GB/T 30166-2024

GB/T 1504-2024_Chinese: Cast iron rolls (Chinese: 铸铁轧辊)

GB/T 17817-2024_Chinese: Determination of vitamin A in feeds - High performance liquid chromatography (Chinese: 饲料中维生素A的测定 高效液相色谱法)

English versions: GB/T 45507-2025

GB/T 42513.5-2023 Chinese PDF (GB/T42513.5-2023) GB/T 45423-2025 English versions: GB/T 45347-2025GB T 42513. 5 2023_Chinese: Methods for chemical analysis of nickel alloys Part 5: Determination of vanadium content Nitrous oxide flame atomic absorption spectrometry and inductively coupled plasma atomic emission spectrometry (Chinese: 5 ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 42513. 5 2023