General Design Of Pianos Or Like Stringed Musical Instruments With Keyboards {g10c 1/00} Patents (Class 984/51)

Cross-Reference Art Collections

Of upright pianos {g10c 1/02} (Class 984/52)
Of grand pianofortes {g10c 1/04} (Class 984/53)
Of cembaloes, spinets, or similar stringed instruments {g10c 1/06} (Class 984/54)

There are no patents to show for this class.