ES288111U
(es )
1985-11-16
Una caja acustica con un filtro acustico paso-banda integra-do
DE69330207D1
(de )
2001-06-13
Flügel ähnliches Tastaturinstrument zur selektiven Erregung von akustischen oder synthetischen Klang
SE8602995D0
(sv )
1986-07-04
Hogtalarenhet
IT8967951A0
(it )
1989-11-06
Cassa acustica per la trasduzione del suono
JPS52139412A
(en )
1977-11-21
Acoustic resonator for amplifying sound generated from sound source and particularly stringed instrument
IT953811B
(it )
1973-08-10
Giocattolo musicale riproducente uno strumento a fiato e compren dente mezzi per la simulazione acustica del pezzo musicale eseguito
CA979217A
(en )
1975-12-09
Toy trumpet or like musical instrument
GB614404A
(en )
1948-12-15
Improvements in or relating to means for reducing the sound effect of the passage of air or other gases through conduits
JPS52134716A
(en )
1977-11-11
Low sound string used for instrument such as piano or the like
JPS5595500A
(en )
1980-07-19
Acoustic unit utilizing ultrasonic wave
EP0024108A3
(fr )
1981-03-18
Système générateur de son pour un instrument de musique électronique
JPS52139402A
(en )
1977-11-21
Reverberation adding system
JPS5390902A
(en )
1978-08-10
Sound reproducer
GB1109063A
(en )
1968-04-10
Sound generation system
JPS55124393A
(en )
1980-09-25
Acoustic reproducer
JPS52113717A
(en )
1977-09-24
Electro-acoustic transducer
SU1068801A1
(ru )
1984-01-23
Измеритель скорости ультразвука
BR7606972A
(pt )
1978-05-09
Bafle de caixa acustica com reverberadores
ES1000797U
(es )
1988-03-16
Placa para aislamiento acustico perfeccionada
JPS52153472A
(en )
1977-12-20
Ultrasonic transmitter and receiver
GB542587A
(en )
1942-01-16
Improvements relating to sound proof rooms
GB820916A
(en )
1959-09-30
Chime signal
JPS5295212A
(en )
1977-08-10
Method of producing various acoustic device sound absorbing case such as speaker or the like
GB845416A
(en )
1960-08-24
Musical instruments
NL193916B
(nl )
2000-10-02
Muziekinstrument met klankorgaan, slagorgaan en bedieningstoets.