电线电缆网 > 标准共享 > IEC 61158-3-21-2010 Industrial communication networks - Fieldbus specifications .Part 3-21: Data-link layer service definition - Type 21 elements(完整版)

IEC 61158-3-21-2010 Industrial communication networks - Fieldbus specifications .Part 3-21: Data-link layer service definition - Type 21 elements - 无图版

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