1、 IEC 62541-11 Edition 1.0 2015-03 INTER NA TIONA L STA NDA R D NOR ME INTER NA TIONA LE OPC unified architecture Part 11:Historical A ccess A rchitecture unifie OPC Partie 11:A ccs lHistorique IEC 62541-11:2015-03(en-fr)c olourinsideCopyright International Electrotechnical Commission THIS PUBLICATIO
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