FR766593A
(en )
1934-06-30
Magnetic amplifiers
NL41776C
(en )
1937-10-15
Method of manufacturing magnetic cores for Pupin coils and the like
DK48217C
(en )
1934-01-02
Procedure for Improving the Magnetic Properties of Coil Cores and Curl Coils.
FR791399A
(en )
1935-12-10
Magnet Core High Frequency Coil
FR713251A
(en )
1931-10-24
Coil
SU4117A1
(en )
1927-11-30
Magnetic system for reactive coils or transformers
FR800991A
(en )
1936-07-23
Magnet Core High Frequency Coil
FR711223A
(en )
1931-09-05
Winding for coils of transformers, reactors, magnets, etc.
NL39894C
(en )
1937-01-15
Device for winding spin coils and the symmetrical coil coil obtained therewith
FR789340A
(en )
1935-10-26
Movable iron core coil
DK51628C
(en )
1936-05-11
Coil Box for Induction Coils and Transformers with Iron Cores.
FR740242A
(en )
1933-01-23
Magnetic flywheel core
DK44551C
(en )
1931-08-31
Coil cores for Radio coils.
FR718252A
(en )
1932-01-21
Coil core
AT140715B
(en )
1935-02-25
Coil core.
FR734866A
(en )
1932-10-29
Enamelled ceramic coil
FR769427A
(en )
1934-08-25
Magnetic Core Coils
FR800808A
(en )
1936-07-20
Magnetizable molded core coil or transformer
DK40411C
(en )
1929-07-01
Magnetic cores for pupin coils and methods for their manufacture.
FR811416A
(en )
1937-04-14
Coil on multiple core
DK43963C
(en )
1931-04-07
Transformer coil.
DK49423C
(en )
1934-10-22
Induction coil for High Frequency Purpose.
CA291390A
(en )
1929-07-16
Coil winding method and articles produced thereby
CA287552A
(en )
1929-02-26
Magnetic core
DK50581C
(en )
1935-08-26
Procedure for Improving the Magnetic Properties of Kernels, e.g. to Pupin Coils.