FR1235609A
(en )
1960-07-08
Magnetic recording system
AT196143B
(en )
1958-02-25
Central record spindle for successive release of records with a large center opening
CH369793A
(en )
1963-06-15
Magnetic tape recorder
FR1198858A
(en )
1959-12-10
Advanced sound recording disc
CH375155A
(en )
1964-02-15
Pickups for record players
FR1152668A
(en )
1958-02-21
Magnetic storage system
FR1207564A
(en )
1960-02-17
Magnetic recording devices
CH375925A
(en )
1964-03-15
Magnetic recorder
AT187312B
(en )
1956-10-25
Record spindle with ejector for records with a large central opening
DK85535C
(en )
1958-05-12
Central gramophone record spindle for successive release of gramophone records with a large central opening.
CH338311A
(en )
1959-05-15
Record player
FR1201076A
(en )
1959-12-28
Magnetic recording device
AT189809B
(en )
1957-05-10
Magnetic recorder with exchangeable cassettes
FR1132178A
(en )
1957-03-06
Phonographic record
FR1150056A
(en )
1958-01-07
Case for phonograph records
FR1172722A
(en )
1959-02-13
Record changer for phonograph
AT192646B
(en )
1957-10-25
Magnetic playback head
FR1153575A
(en )
1958-03-12
Magnetic recording device
CH374216A
(en )
1963-12-31
Turntable for records with a large central opening
FR1169872A
(en )
1959-01-07
Improvements to magnetic recording devices
FR1197047A
(en )
1959-11-27
Advanced phonographic record
AT196637B
(en )
1958-03-25
Device for playing records with a rotatable record magazine
FR1161573A
(en )
1958-09-02
Phonograph record
FR1163266A
(en )
1958-09-24
Magnetic pulse recording media
FR1218714A
(en )
1960-05-12
Magnetic recording system