ANSI-C57.12.20 Historical Revision Information
Transformers - Standard for Overhead Type Distribution Transformers, 500 Kva and Smaller

ANSI-C57.12.20 - 2005 EDITION - SUPERSEDED
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Transformers - Standard for Overhead Type Distribution Transformers, 500 Kva and Smaller


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Document Number

ANSI-C57.12.20

Revision Level

2005 EDITION

Status

Superseded

Publication Date

Jan. 1, 2005