Patent certificate
Damping spring shock absorbers and dry-type transformers
Coil lifting tool for transformer assembly
A forced oil circulation cooling device for oil transformer coils
A Combined Substation Shell with Advertising Light Box Installation
A fixed plate for the position of the air duct rod of a dry-type high-voltage coil
An improved clamp for dry-type transformers
A multi wire reel bracket for low-voltage coil winding
An oil immersed transformer with side inlet and outlet lines
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