CH320958A
(en )
1957-04-15
Device for recording and / or changing information
CH350326A
(en )
1960-11-30
Device for guiding recording or playback tapes
CH388653A
(en )
1965-02-15
Apparatus for recording and / or reproducing sound recordings
AT195138B
(en )
1958-01-25
Sound recording and reproducing device
AT176376B
(en )
1953-10-10
Apparatus for sound recording and reproduction with tape or wire-shaped sound writing carriers
CH334699A
(en )
1958-12-15
Magnetic sound recording and playback device
AT191630B
(en )
1957-09-10
Sound recording and playback device
AT173870B
(en )
1953-02-10
Apparatus for sound recording or retrieval with tape or wire-shaped sound writing carriers
AT174484B
(en )
1953-04-10
Cassette for magnetic sound text carriers in the form of an endless tape roll
AT178471B
(en )
1954-05-10
Magnetic recorder for tape or wire-shaped sound carriers
AT206198B
(en )
1959-11-10
Drive for devices for sound recording and reproduction
AT168570B
(en )
1951-06-25
Apparatus for magnetic sound recording and reproduction
AT194154B
(en )
1957-12-27
Magnetic sound recording and reproducing device
CH332014A
(en )
1958-08-15
Method for recording and reproducing color television signals, magnetic tape with color television signals and apparatus for carrying out the method
CA495670A
(en )
1953-09-01
Magnetic recording and reproducing apparatus
CH319629A
(en )
1957-02-28
Sound recording and reproducing device
CH289208A
(en )
1953-02-28
Magnetic sound recording and reproducing device.
CH286170A
(en )
1952-10-15
Apparatus for recording or reproducing sound.
DK87911C
(en )
1959-09-28
Magnetic sound recording and reproducing apparatus.
DE1633743U
(en )
1952-01-24
DEVICE FOR MAGNETIC SOUND RECORDING AND PLAYBACK.
DK86119C
(en )
1958-08-25
Magnetic sound recording and reproducing apparatus.
CA470893A
(en )
1951-01-16
Magnetic recording methods and means
DK83226C
(en )
1957-08-05
Device for recording and reproducing apparatus with plate-shaped magnetizable sound carrier.
AT181097B
(en )
1955-02-10
Device with an endless tape or wire-shaped recording medium
DK78669C
(en )
1954-12-27
Apparatus for magnetic sound recording and reproduction.