首页>
外国专利>
container for piano composed by splines and traditional electrical contacts and electronic content in a format bristles of long and thin, so to find easy placement on the keyboard(or the internal mechanics of a piano in order to connect to a traditional piano, one or more electronic musical instruments
container for piano composed by splines and traditional electrical contacts and electronic content in a format bristles of long and thin, so to find easy placement on the keyboard(or the internal mechanics of a piano in order to connect to a traditional piano, one or more electronic musical instruments