BS 9020 70th Edition, November 13, 1970
Corona Stabilizer Tubes of Assessed Quality: Generic Data and Methods of Test
Includes all amendments and changes through Reaffirmation Notice , February 15, 1987
Additional Comments: W/D NO S/S
Published By:British Standards Institution (BSI)
Terminology, test procedures (electrical and environmental) and other material to implement detail specifications for these tubes.