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IEC

PDF Standards IEC 61850-8-1 Ed. 2.1 b:2020

Communication networks and systems for power utility automation – Part 8-1: Specific communication service mapping (SCSM) – Mappings to MMS (ISO 9506-1 and ISO 9506-2) and to ISO/IEC 8802-3 CONSOLIDATED EDITION
standard by International Electrotechnical Commission, 02/21/2020

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IEC

PDF Standards IEC 60748-21 Ed. 2.0 b:1997

Semiconductor devices – Integrated circuits – Part 21: Sectional specification for film integrated circuits and hybrid film integrated circuits on the basis of qualification approval procedures
standard by International Electrotechnical Commission, 04/10/1997

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