FR1231289A
(en )
1960-09-28
Winding method and apparatus
CH359645A
(en )
1962-01-15
Cigarette and process for its manufacture
CH357563A
(en )
1961-10-15
Hygrometric device and method for its manufacture
FR1234095A
(en )
1960-10-14
Method and devices for recording television signals on magnetic tape
FR1220262A
(en )
1960-05-24
Electrographic recording process
FR1226165A
(en )
1960-07-08
Video recording system and method
CH343663A
(en )
1959-12-31
Tape recorder
FR1260011A
(en )
1961-05-05
Magnetic recording process
FR1240765A
(en )
1960-09-09
Manufacturing process of recording discs
BE580349A
(en )
1960-01-04
Tape recorder heads and method for their manufacture
CH369793A
(en )
1963-06-15
Magnetic tape recorder
FR1229246A
(en )
1960-09-05
Tape recorder heads and their manufacturing process
BE608509A
(en )
1962-03-26
Pole pieces for tape recorder heads and method for their manufacture
FR1301679A
(en )
1962-08-17
Pole parts for tape recorder heads and their manufacturing process
FR1221289A
(en )
1960-06-01
Electrostatic tape recording process
BE582287A
(en )
1960-03-03
Nitrogen compounds and method for obtaining them
FR1171271A
(en )
1959-01-23
Reel for tape recorder tapes
BE608508A
(en )
1962-03-26
Annular head for tape recorder and method for its manufacture
FR1204609A
(en )
1960-01-27
Tape recorder head and its manufacturing process
BE585028A
(en )
1960-03-16
Magnetic recording process
FR1225475A
(en )
1960-07-01
Method of recording television signals on magnetic tape
FR1338805A
(en )
1963-09-27
New phonographic record and process for the manufacture of this record
FR77112E
(en )
1962-01-19
Reel for tape recorder tapes
FR1236958A
(en )
1960-07-22
Method of manufacturing magnetic recordings
FR1174295A
(en )
1959-03-09
Method and apparatus for the production of phonographic records