CH320531A
(en )
1957-03-31
Disconnector with quick switching device
AT171122B
(en )
1952-04-25
Load selector for tap transformers with insulating cylinders that roll into one another
CH292558A
(en )
1953-08-15
Load selector for tap transformers.
CH297579A
(en )
1954-03-31
Load selector for tap transformers.
AT171123B
(en )
1952-04-25
Load selector for tap transformers with a large number of stages
AT176264B
(en )
1953-10-10
Circuit for commissioning transformers
AT171998B
(en )
1952-07-25
Protective device for transformers with neutral conductor
AT172568B
(en )
1952-09-25
High-voltage winding with all-round insulation for transformers
AT171368B
(en )
1952-05-26
Step selector for regulating transformers
CH296808A
(en )
1954-02-28
Spring energy storage with variable torque for diverter switches of regulating transformers.
AT174038B
(en )
1953-02-25
Insertion device for rolling stock
AT171635B
(en )
1952-06-25
Diverter switch for step transformers
AT184255B
(en )
1956-01-10
Step selector for tap transformers
AT176922B
(en )
1953-12-10
Diverter switch for step transformers
CH296807A
(en )
1954-02-28
Diverter switch for step transformers.
AT174114B
(en )
1953-02-25
Insulating cylinders and pipes for oil insulation
AT274974B
(en )
1969-10-10
Insulating rod cage for tap selector of transformers that can be regulated under load
FR1043561A
(en )
1953-11-10
Advanced shifting
CA470936A
(en )
1951-01-16
Selector cocks
AT172270B
(en )
1952-08-25
Toroidal transformers, in particular for welding purposes
FR1058962A
(en )
1954-03-22
Coil for transformers
FR1032123A
(en )
1953-06-30
Electric selector
FR1048689A
(en )
1953-12-23
Tap
FR1037154A
(en )
1953-09-15
Tap
AT184994B
(en )
1956-03-10
Step selector for load control switch