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GB/T 33993-2024_Chinese: Two dimensional code for commodity (Chinese: 商品二维码)
GB/T 44939-2024_Chinese: Guidelines for quality grading of consumer products - Footwear (Chinese: 消费品质量分级导则 鞋类)
English versions: GB/T 44837-2024
GB/T 44952-2024_Chinese: Technical requirements for ground electric field monitoring (Chinese: 地面电场监测技术要求)
GB/T 44953-2024_Chinese: Technical specification for lightning disaster investigation (Chinese: 雷电灾害调查技术规范)
GB/T 45391-2025 Chinese PDF (GB /T45391-2025) GB/T 2424.25-2024 GB/T 33993-2024_Chinese: Two dimensional codeGB T 45391 2025_Chinese: Non destructive testing instruments Equipment for eddy current examination Array probe characteristics and verification (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 45391 2025
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