CH417687A
(en )
1966-07-31
Magnetic recording process
FR1490402A
(en )
1967-07-28
Magnetic recording method and apparatus and recording media
FR1362455A
(en )
1964-06-05
Method and apparatus for producing magnetic recording materials
BE615054A
(en )
1962-07-02
Magnetic recording element and method for obtaining it
CH417992A
(en )
1966-07-31
Oscillator-amplifier for magnetic recording
FR1358698A
(en )
1964-04-17
reinforcing element and method of manufacturing it
FR1293374A
(en )
1962-05-11
Magnetic recording head device and manufacturing method therefor
BE612559A
(en )
1962-05-02
Magnetic recording material
FR1498710A
(en )
1967-10-20
Magnetic recording method and device
FR90962E
(en )
1968-03-22
Method and device for the production of core models
FR1305064A
(en )
1962-09-28
Method and device for the production of core models
FR1328352A
(en )
1963-05-31
magnetic recording element and method for its manufacture
FR1317185A
(en )
1963-02-01
magnetic recording element and method for its manufacture
FR1360720A
(en )
1964-05-15
Magnetic recording method and apparatus
BE615004A
(en )
1962-09-12
Magnetic head device and method for their manufacture
FR1370920A
(en )
1964-08-28
Method and apparatus for the production of magnetic recording material
FR1405233A
(en )
1965-07-09
Thermographic recording and reproduction process
CH440949A
(en )
1967-07-31
Method of obtaining recording material
FR1334364A
(en )
1963-08-09
Digital recording process
FR1465453A
(en )
1967-01-13
Recording method and medium
FR1173263A
(en )
1959-02-23
Method and apparatus for recording magnetic information
FR1524590A
(en )
1968-05-10
Magnetic recording apparatus and method
FR1375571A
(en )
1964-10-16
Magnetic recording process
FR1362406A
(en )
1964-06-05
Magnetic stirrer and method of using it
FR1524817A
(en )
1968-05-10
Recording method and apparatus