bn:00454917n
Noun Concept
Categories: Brass instrument parts and accessories, Air valves
EN
Hagmann valve
EN
The Hagmann Free-Flow Valve is a trademarked brass instrument valve design developed by Swiss musician and instrument technician René Hagmann, first introduced for trombone F attachments in 1990. Wikipedia
Definitions
Sources
EN
The Hagmann Free-Flow Valve is a trademarked brass instrument valve design developed by Swiss musician and instrument technician René Hagmann, first introduced for trombone F attachments in 1990. Wikipedia
Wikipedia
Wikidata