HD 145-1974
Numbering of Electrodes and Designation of Units in Electronic Tubes and Valves

Standard No.

HD 145-1974

Release Date

1974

Published By

European Committee for Electrotechnical Standardization（CENELEC）

Latest

HD 145-1974

HD 145-1974 history

• 1974 HD 145-1974 Numbering of Electrodes and Designation of Units in Electronic Tubes and Valves