- Author
- Underwriters Laboratories, Incorporated
- Title
- Safety Relief Valves for Anhydrous Ammonia and LP-Gas. Standard for Safety.
- Coporate
- Underwriters Laboratories, Inc., Northbrook, IL
- Report
- UL 132; 5th Edition, April 28, 1993, 15 p.
- Keywords
- safety standards | relief valves | ammonia | LP gas