|
WO2009019733A1
|
|
Improved drier for dehumidifying the air intended for oil expansion tank used in electrical equipments
|
|
CN101821828A
|
|
Buchholz relay for protecting oil insulated power electric equipment
|
|
EP2168132A1
|
|
Detachable connecting device for vacuum tap changers for electrical transformers
|
|
EP1865517A2
|
|
Feedthrough insulator for electrical transformers
|
|
WO2006069802A1
|
|
Off-circuit tap changer, with actuating mechanism, for electrical transformers
|
|
EP1524676A1
|
|
Surge voltage arrester
|
|
EP1235013A2
|
|
Safety valve, particularly for oil-filled electric transformers
|
|
EP0993010A2
|
|
Tap changer for electric transformers
|
|
EP0971378A1
|
|
Bushing insulator
|
|
EP0945951A2
|
|
Improved gas-accumulation Buchholz relay
|
|
EP0944150A2
|
|
Improved Buchholz relay
|
|
EP0747677A2
|
|
Integrated gauge, particularly for measuring and displaying functional parameters in electric power transformers
|
|
ITPD930231D0
|
|
Process for monitoring electrical power distribution networks and means for detecting and processing data for implementing the process.
|
|
ITMI910360D0
|
|
Apparatus for lifting and positioning rails
|
|
IT9041710D0
|
|
Device for detecting excess pressures, particularly for electrical transformers
|
|
IT8841649D0
|
|
Safety device particularly for transformers.
|
