ANSI-Y32.9 › Historical Revision Information
Graphic Symbols for Electrical Wiring and Layout Diagrams Usedin Architecture and Building

ANSI-Y32.9 - 1972 R89 EDITION - CURRENT
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Graphic Symbols for Electrical Wiring & Layout Diagrams Usedin Architecture & Building


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Document Number

ANSI-Y32.9

Revision Level

1972 R89 EDITION

Status

Current

Publication Date

Jan. 1, 1989