FR586740A
(en )
1925-04-02
Device for supplying low-voltage receiving devices by high-voltage electric current
FR619557A
(en )
1927-04-05
Device for interrupting an electric current
FR562652A
(en )
1923-11-16
Switching device controlled by low voltage current for high voltage installations
FR684473A
(en )
1930-06-26
Device for maintaining constant the voltage at the terminals of current sources
FR591838A
(en )
1925-07-18
High voltage direct current generating device
FR661583A
(en )
1929-07-26
Protection device for electrical current distribution installations
FR556528A
(en )
1923-07-21
Voltage regulator device for electric current generators
FR863031A
(en )
1941-03-21
Voltage regulator device for installations distributing alternating current
FR604637A
(en )
1926-05-10
High voltage current transformer
FR669312A
(en )
1929-11-14
Device for stabilizing the voltage of an electric current
FR594268A
(en )
1925-09-09
Electrical insulator for high voltage
FR601523A
(en )
1926-03-03
Device for the direct current supply of electric arc welding stations
FR864644A
(en )
1941-05-01
Flexible electrical contact device for high voltage disconnectors
FR692304A
(en )
1930-11-04
Improvements to electrical current supply devices
FR1050293A
(en )
1954-01-06
Switching device for high voltage electric current
FR662160A
(en )
1929-08-03
Outdoor bell insulator for high voltage electric current conductors
FR549295A
(en )
1923-02-06
Switch device with rotating cover for low voltage electric current
FR847507A
(en )
1939-10-11
Voltage adjustment device for electrical distribution networks
FR847400A
(en )
1939-10-09
Insulated electrical conductors intended for carrying high voltage current
FR716077A
(en )
1931-12-14
Coupling device for electric regulators of the voltage of the light current
FR27043E
(en )
1924-03-26
Device for supplying electric welding stations by direct current arc
FR684314A
(en )
1930-06-24
Bushing insulator with induction device for supplying low voltage devices by high voltage networks
FR839160A
(en )
1939-03-28
Protection device for high voltage direct current power transmission installations
FR641848A
(en )
1928-08-11
Improvements to switches for low voltage electric current
FR862292A
(en )
1941-03-03
High voltage direct current power transmission device