GB-Z 15629.1-2000 信息技术 系统间远程通信和信息交换 局域网和城域网 特定要求 第1部分 局域网标准综述
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ISO 2727 1973 Modular units for machine tool construction — Headstocks.pdf
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ISO-TR 20218-1 2018 Robotics Safety design for industrial robot systems Part 1 End-effectors.pdf
ISO 26262-1 2018 Road vehicles — Functional safety — Part 1 Vocabulary.pdf
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GB-T 11151-1989 交流电桥.pdf
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