FR1238795A
(en )
1960-08-19
Improvements to electrical transformers
CH352400A
(en )
1961-02-28
Diverter switch for step transformers
CH336111A
(en )
1959-02-15
Steam-proof electrical switchgear
FR1168741A
(en )
1958-12-15
Further training in circuit breakers
FR1204052A
(en )
1960-01-22
Switchgear
FR1175923A
(en )
1959-04-02
Advanced training in electrical conductors
CH375773A
(en )
1964-03-15
Low-voltage high-voltage circuit breaker
AT201175B
(en )
1958-12-10
Low-voltage current transformer for installation in switchgear
CH366875A
(en )
1963-01-31
Electrical switchgear
FR1175244A
(en )
1959-03-23
Improvements to electrical installations
CH391088A
(en )
1965-04-30
Step load switch for transformers
AT199740B
(en )
1958-09-25
Switching unit for encapsulated high-voltage switchgear
CH387783A
(en )
1965-02-15
Connection switch for step transformers
FR68361E
(en )
1958-04-29
Advanced training in electrical disconnectors
FR1124611A
(en )
1956-10-15
Advanced training in electrical relays
CH364039A
(en )
1962-08-31
Multi-phase transformer system with several single-phase step transformers
CH386523A
(en )
1965-01-15
Low-voltage switching device for alternating current
CH362732A
(en )
1962-06-30
AC switching arrangement
FR1175606A
(en )
1959-03-31
Power transformer
CH444291A
(en )
1967-09-30
Device for converting high-voltage direct current into low-voltage alternating current
AT180989B
(en )
1955-02-10
Current transformer, preferably for direct installation in busbars
AT198805B
(en )
1958-07-25
Switching arrangement for substations
FR1190166A
(en )
1959-10-09
Improvements to low voltage circuit breakers
FR1398708A
(en )
1965-05-14
Advanced static electric transformer
FR1184066A
(en )
1959-07-16
Improvements to current transformers