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
Source Organization	NA
Identifier	PR_211200048544
File No./Reference No./Sheet No./Folio No.	E/G/71PT1-28/1-5
Location	Repository-4
Part No.	NA
File Size	20.0 MB
Pages	37
Collection	Digitized Public Records Ministry of Railway
Call Number	NA
Publisher	NA
Subject	NA
Creator	NA
Accession Number	NA
Series	NA
Year of Publication	NA
Language	English
Bundle Barcode	NA
Location Code	NA
File Barcode	NA