BS EN 61158-4-1:2008 Industrial communication networks – Fieldbus specifications –– Part 4-1: Data-link layer protocol specification – Type 1 elements-电线电缆网

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[国外标准] BS EN 61158-4-1:2008 Industrial communication networks – Fieldbus specifications –– Part 4-1: Data-link layer protocol specification – Type 1 elements

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BS EN 61158-4-4(2008).pdf

BS EN 61158-4-1:2008 Industrial communication networks – Fieldbus specifications –– Part 4-1: Data-link layer protocol specification – Type 1 elements.pdf

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