US4479083B1
(en )
1998-09-01
DC power system having battery voltage equalizer circuit
EP0179982A3
(en )
1988-01-07
High power direct current switching circuit
GB2139829B
(en )
1987-08-19
Electric power supplies
GB2178255B
(en )
1988-10-19
Solid state power controller leakage current shunt circuit
IL71892A0
(en )
1984-09-30
High power electrical switching circuit
IL64622A
(en )
1984-12-31
High operating frequency power supply for electric welders
ZA841794B
(en )
1984-10-31
Electrical power supply
GB8312685D0
(en )
1983-06-15
Electric power supply system
DE3279774D1
(en )
1989-07-27
Power supply for electric arc welding
ZA845161B
(en )
1986-04-30
Direct current arc furnace
KR930011961B1
(en )
1993-12-23
Direct current electric railroad power supply apparatus
GB2121659B
(en )
1985-09-18
Electric arc furnace electrodes
GB2071933B
(en )
1984-02-29
Electric current supply circuit
DE3466919D1
(en )
1987-11-26
Improved conductive bottom for direct current electric arc furnaces
ZA84806B
(en )
1984-09-26
Electrode for electric arc furnaces
GB8427831D0
(en )
1984-12-12
Auxiliary electric power supply
GB2137780B
(en )
1986-09-17
Current regulated power supply circuit
PL243894A2
(en )
1984-07-30
Flexible line of heavy current circuit,especially for supplying high power electric furnaces
GB8424274D0
(en )
1984-10-31
Electric arc furnace
GB8329911D0
(en )
1983-12-14
Vehicle electrical power supply
GB8408851D0
(en )
1984-05-16
Electric arc furnaces
GB2117580B
(en )
1986-10-22
Electronic commutation for direct current electric motors
GB8427287D0
(en )
1984-12-05
Electrical power supply unit
DE3462946D1
(en )
1987-05-07
Direct current arc furnace
DE3474488D1
(en )
1988-11-10
Direct current converter for switched mode power supply