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GB/T 19720-2024 Chinese PDF (GB/T19720-2024) GB/T 45575-2025 GB/T 5483-2024_Chinese: Natural gypsum (Chinese:
GB/T 19720-2024 Chinese PDF (GB/T19720-2024) GB/T 45575-2025 GB/T 5483-2024_Chinese: Natural gypsum (Chinese:
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Description
GB/T 5483-2024_Chinese: Natural gypsum (Chinese: 天然石膏)
English versions: GB/T 45102-2024
42-2025_Chinese: National food safety standard - Food microbiological examination - Examination of Norwalk Viruses (Chinese: 食品安全国家标准 食品微生物学检验 诺如病毒检验)
GB/T 45340-2025_Chinese: Metallic and other non-organic coatings - Measurement of coating thicknesses - Fizeau multiple-beam interferometry method (Chinese: 金属及其他无机覆盖层 镀层厚度的测量 斐索多光束干涉法)
English versions: GB/T 13539
GB/T 19720-2024 Chinese PDF (GB/T19720-2024) GB/T 45575-2025 GB/T 5483-2024_Chinese: Natural gypsum (Chinese:GB T 19720 2024_Chinese: Jewellery and precious metals Determination of platinum and palladium Gravimetry using ammonium chloride and dimethylglyoxime (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 19720 2024
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