IPC Subgroup
G10C 1/02 of upright pianos
Introduced: September 1968
Last revised: January 2006
Full Title
General design of pianos, harpsichords, spinets or similar stringed musical instruments with one or more keyboards > of upright pianos
Classification Context
- Section:
- PHYSICS
- Class:
- MUSICAL INSTRUMENTS; ACOUSTICS
- Subclass:
- PIANOS, HARPSICHORDS, SPINETS OR SIMILAR STRINGED MUSICAL INSTRUMENTS WITH ONE OR MORE KEYBOARDS