Patent Application: Improvements in or relating to circuit arrangements in automatic telephone systems

Keywords Dr. M Rao
Indian Telephone Industries Private Ltd.
Automatic Telephone & Electric Co. Ltd.
Secretary
Director
Telephone
India
Ministry/ Department/ Residency PATENTS AND DISGNS KOLKATA
Branch Kolkata
From Year / Date
(YYYY-MM-DD)
1961
To Year / Date
(YYYY-MM-DD)
1961
Source Organization NA
Identifier NAIBHF00004622
File No./Reference No./Sheet No./Folio No. 77283
Location BBSR-R1
Part No. NA
File Size 86.3 MB
Pages 48
Collection Public Records
Call Number NA
Publisher NA
Subject NA
Creator NA
Accession Number NA
Series NA
Year of Publication NA
Language English
Bundle Barcode NAIBHB00000238
Location Code NA
File Barcode NAIBHF00004622
QC Certificate No. QC_20240626BH
Bundle No. 46

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