UL-1821 › Historical Revision Information
Standard for Thermoplastic Sprinkler Pipe and Fittings for Fire Protection Service

UL-1821 - CHANGE 04/05 - SUPERSEDED
Show Complete Document History


Standard for Thermoplastic Sprinkler Pipe and Fittings for Fire Protection Service


ORDER



Document Number

UL-1821

Revision Level

CHANGE 04/05

Status

Superseded

Publication Date

April 20, 2005