S11-M Series Hermetically Sealed Oil-immersed Power Transformer Of Class 20-10KV With Dual-winding Off-circuit-tap-changing
HONLE Electric Co.,Ltd [China] 
S11-M Series Hermetically Sealed Oil-immersed Power Transformer Of Class 20-10KV With Dual-winding Off-circuit-tap-changing,Oil Immersed Transformer
