Draft Document – Assembly with direct connection for sprinkler systems and extinguishing systems with open nozzles – Requirements and testing
standard by Deutsches Institut Fur Normung E.V. (German National Standard), 02/01/2011
Draft Document – Assembly with direct connection for sprinkler and water spray systems – Requirements and testing
standard by Deutsches Institut Fur Normung E.V. (German National Standard), 06/01/2008
