HD 146 S4-1988
Dimensions of Electronic Tubes and Valves

Standard No.

HD 146 S4-1988

Release Date

1988

Published By

European Committee for Electrotechnical Standardization（CENELEC）

Latest

HD 146 S4-1988

HD 146 S4-1988 history

• 1988 HD 146 S4-1988 Dimensions of Electronic Tubes and Valves