COVENIN 729-1974
Medium frequency transformers and radio frequency transformers

Standard No.

COVENIN 729-1974

Release Date

1974

Published By

VE-FONDONORMA

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COVENIN 729-1974

COVENIN 729-1974 history

• 1974 COVENIN 729-1974 Medium frequency transformers and radio frequency transformers