196312 ⎘
General design of pianos, harpsichords, spinets or similar stringed musical instruments with one or more keyboards
Sub-classes:Keyboard instrument, in particular a piano
#2Micro-tuning device
#3Keyboard device and musical sound emission method
#4Keyboard apparatus and load application method
#5Musical instrument and vibrator
#6Long part-mounting structure of piano
#7Installation structure for acoustic transducer and musical instrument
#8Keyboard instrument
#9Keyboard instrument
#10Method for improving the sound of musical instruments
#11Electronic keyboard musical instrument
#12Bowed stringed musical instrument with movable bowing surface and orthogonal string displacement