IPC Subgroup
G10C 3/2 involving the use of hydraulic, pneumatic or electromagnetic means
Introduced: September 1968
Last revised: January 2006
Full Title
Details or accessories > Actions > involving the use of hydraulic, pneumatic or electromagnetic means
Classification Context
- Section:
- PHYSICS
- Class:
- MUSICAL INSTRUMENTS; ACOUSTICS
- Subclass:
- PIANOS, HARPSICHORDS, SPINETS OR SIMILAR STRINGED MUSICAL INSTRUMENTS WITH ONE OR MORE KEYBOARDS