The Bureau of Indian Standards (BIS) on May 07, 2024, issued the date of establishment and withdrawal of Indian standard particulars related to Electron Valves.
In the following particulars, the date of Withdrawal is April 22, 2024-
•IS 2597 (Part III) - 1969 Code of Practice for Use of Electron Valves Part III Transmitting and Industrial Valves
•IS 2597 (Part V) - 1971 Code of Practice for the use of Electron Valves Part V Rectifiers and Thyratrons
•IS 6758 - 1972 Dimensions for High Tension Receptacles for X - Ray Tubes
•IS 9000 (Part XVI) - 1983 Basic Environmental Testing Procedures for Electronic and Electrical Items Part XVI Driving Rain Test
•IS 9000 (Part 21) - 1985 Basic Environmental Testing Procedures for Electronic and Electrical Items Part 21 Acoustic Noise Test
[Notification No. HQ-PUB013/1/2020-PUB-BIS (865)]
