CH211263A
(en )
1940-09-15
Magnetic filter.
CH213340A
(en )
1941-01-31
Magnetic amplifier.
DK55897C
(en )
1939-03-06
Machine for winding and punching sheet metal for the production of annular magnetic cores for dynamos.
FR811414A
(en )
1937-04-14
Coil core
FR886500A
(en )
1943-10-15
Screwed iron core for high frequency
DK52367C
(en )
1936-11-30
Method for Manufacturing Magnetic Cores.
DK54283C
(en )
1938-02-07
Method for Manufacturing Magnetic Cores.
FR835927A
(en )
1939-01-05
High frequency iron core self-induction coil
FR868635A
(en )
1942-01-09
High Frequency Iron Core Coil
FR831959A
(en )
1938-09-16
Improvements to machines for perforating and winding metal tapes to form annular parts such as magnetic cores for dynamos
ES138147A1
(en )
1935-08-16
A process for the production of magnetic cores for inductances.
CA379199A
(en )
1939-01-24
Dynamo core punching and winding machine
DK55864C
(en )
1939-02-20
Procedure for Manufacturing Cross Coils.
FR848723A
(en )
1939-11-06
Pupin coil boxes
FR850634A
(en )
1939-12-21
Winding machine improvements
AT160178B
(en )
1941-02-25
Frequency transformer at rest.
GR8512B
(en )
1939-10-02
METHOD OF PRODUCTION OF PAPER PIECES.
FR868615A
(en )
1942-01-09
Iron Laminated Core Cylindrical Coil
DK54410C
(en )
1938-03-07
Procedure for Manufacturing a Magnetic Steel.
DK64115C
(en )
1945-11-26
Coil shape for electric coils.
DK58207C
(en )
1940-12-02
Pupin coil box.
DK56838C
(en )
1939-10-23
Machine for winding up in Nuts in annular Cores placed Coils for electrical Machines.
CA378691A
(en )
1939-01-03
Coil winding machine
GR8932B
(en )
1940-04-11
METHOD FOR THE PRODUCTION OF MODERATE CARBON IRON ALLOYS.
DK70777C
(en )
1950-03-27
Method for producing a magnetic core from a cubic ferrite.