202371 ⎘
Details of switching devices, not covered by groups - ; Tap change devices; Casings; Mountings; Disposition in transformer housing Details concerning the sealing of the oil filled casings
A VACUUM INTERRUPTER, A TRANSFORMER ARRANGEMENT AND A METHOD FOR MONITORING VACUUM INTERRUPTER
#2Oil type phase shift transformer for medium voltage inverter system
#3On-load tap changer, method for installing a load transfer switch insert in the on-load tap changer, and kerosene drain screw