
INDUSTRIAL COMMUNICATION NETWORKS - FIELDBUS SPECIFICATIONS - PART 3-21: DATA-LINK LAYER SERVICE DEFINITION - TYPE 21 ELEMENTS (IEC 61158-3-21:2010)
出版:European Committee for Standards - Electrical

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INDUSTRIAL COMMUNICATION NETWORKS - FIELDBUS SPECIFICATIONS - PART 3-21: DATA-LINK LAYER SERVICE DEFINITION - TYPE 21 ELEMENTS (IEC 61158-3-21:2010)
出版:European Committee for Standards - Electrical
专家解读视频