GB/T 45440-2025 Chinese PDF (GB /T45440-2025) GB/T 20717-2024 GB/T 27995
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Description
GB/T 27995
English versions: GB/T 45216-2025
English versions: GB/T 45012-2024
GB/T 45333-2025_Chinese: Diamond-like carbon films - Determination of friction and wear characteristics of diamond-like carbon films by ball-on-disc method (Chinese: 类金刚石薄膜 球盘法测试类金刚石薄膜的摩擦磨损性能)
English versions: GB/T 44888-2024
GB/T 45440-2025 Chinese PDF (GB /T45440-2025) GB/T 20717-2024 GB/T 27995GB T 45440 2025_Chinese: E commerce housekeeping Ability information description of housekeeping service personnel (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 45440 2025
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