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1 encoding rules - Part 1: Specification of Basic Encoding Rules(BER)
2-2025_Chinese: Assembled spectacles - Part 2: Power-variation prescription assembled spectacles (Chinese: 配装眼镜 第2部分：渐变焦定配眼镜)
English versions: GB/T 19980-2025
GB/T 32197-2025_Chinese: Industrial robot controller open communication interface specification (Chinese: 工业机器人控制器开放式通信接口规范)
English versions: GB/T 36217-2025
GB/T 4340.2-2025 Chinese PDF (GB /T4340.2-2025) GB/T 18216.12-2025 1 encoding rules - PartGB T 4340. 2 2025_Chinese: Metallic materials Vickers hardness test Part 2: Verification and calibration of testing machines (Chinese: 2) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 4340. 2 2025
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