- Author
- Underwriters Laboratories, Incorporated
- Title
- Outline of Investigation for Thermoplastic Sprinkler Pipe and Fittings for Fire Protection Service. Issue Number 4.
- Coporate
- Underwriters Laboratories, Inc., Northbrook, IL
- Report
-
UL Subject 1821
June 1991
30 p. - Keywords
- thermoplastics | sprinklers | pipes | fire protection | sprinkler systems | standards