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1-2023_Chinese: Forensic sciences - Physical and chemical examination of trace evidence - Part 1: Infrared absorption spectrometry (Chinese: 法庭科学 微量物证的理化检验 第1部分：红外吸收光谱法)
GB/T 19277
praseodymium
GB/T 26521-2024_Chinese: Nickel carbonate for industrial use (Chinese: 工业碳酸镍)
English versions: GB 28380-2025
GB/T 9445-2024 Chinese PDF (GB/T9445-2024) GB/T 5844-2025 1-2023_Chinese: Forensic sciences - PhysicalGB T 9445 2024_Chinese: Non destructive testing Qualification and certification of personnels (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 9445 2024
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