RDSO: Grant of permission under ER- 48A to taking out of patent on Series- transformers and their use in signal power feed circuits extending up to 3 km length of parallelism for signal aspect feed circuits and up to 1.2 kms length of parallelism for junction direction type route indicatro type feed circuits- Shri M.C. Israni, Jt. director standards (S and T) / RE, RDS0 permitted to take out the patent at government cost

Keywords	Lucknow S.M. Kaul
Ministry/ Department/ Residency	Ministry of Railway
Branch	Establishment Gazetted
From Year / Date (YYYY-MM-DD)	1971
To Year / Date (YYYY-MM-DD)	1971
Identifier	PR_000006164531
File No./Reference No./Sheet No./Folio No.	File No. E/G/71PT1-28/1-5
Location	Repository-4
File Size	20.1 MB
Pages	37
Collection	Digitized Public Records Ministry of Railway
Language	English