CH320958A
(en )
1957-04-15
Device for recording and / or changing information
CH350326A
(en )
1960-11-30
Device for guiding recording or playback tapes
AT195138B
(en )
1958-01-25
Sound recording and reproducing device
CH334699A
(en )
1958-12-15
Magnetic 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
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.
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.
DK77396C
(en )
1954-04-12
Device for magnetic sound recording and reproducing apparatus.
AU147902B2
(en )
1949-05-19
Improvements in apparatus forthe magnetic recording and reproducing of sound by means ofa travelling tape or wire
AU148052B2
(en )
1949-05-26
Improvements in apparatus for magnetic recording and reproducing of sound by means ofa travelling tape or wire
CA496276A
(en )
1953-09-22
Magnetic recording and reproducing
CA497809A
(en )
1953-11-17
Phonographic recording and rerecording apparatus