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1-2025_Chinese: Determination of the ultimate aerobic biodegradability of plastic materials under conctrolled composting conditions - Method by analysis of evolved cabon dioxide - Part 1: General method (Chinese: 受控堆肥条件下材料最终需氧生物分解能力的测定 采用测定释放的二氧化碳的方法 第1部分：通用方法)
GB/T 20405
GB 4824-2025_Chinese: Industrial
English versions: GB/T 19480-2025
English versions: GB/T 23454-2025
GB/T 18978.171-2024 Chinese PDF (GB /T18978.171-2024) GB/T 20840.99-2025 1-2025_Chinese: Determination of the ultimateGB T 18978. 171 2024_Chinese: Ergonomics of human system interaction Part 171: Guidance on software accessible design (Chinese: 171) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 18978. 171 2024
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