IPC Subgroup
G10B 3/16 Swell chambers; Accentuating means
Introduced: September 1968
Last revised: January 2006
Full Title
Details or accessories > Swell chambers; Accentuating means
Classification Context
- Section:
- PHYSICS
- Class:
- MUSICAL INSTRUMENTS; ACOUSTICS
- Subclass:
- ORGANS, HARMONIUMS OR SIMILAR WIND MUSICAL INSTRUMENTS WITH ASSOCIATED BLOWING APPARATUS