Upright piano mechanism allowing for adjustment of the response of a particular key and/or keys
A Standard patent application filed on 20 March 2002 credited to Merkoci, Antun
Details
Application number :
2002239218
Application type :
Standard
Application status :
LAPSED
Under opposition :
No
Proceeding type :
Invention title :
Upright piano mechanism allowing for adjustment of the response of a particular key and/or keys