UL-181 › Historical Revision Information
Standard for Factory-Made Air Ducts and Air Connectors

UL-181 - 9TH EDITION - SUPERSEDED
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Standard for Factory-Made Air Ducts and Air Connectors


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FSC 4130 (Refrigeration and Air Conditioning Components)

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Document Number

UL-181

Revision Level

9TH EDITION

Status

Superseded

Publication Date

April 4, 1996

Page Count

38 pages