Patent Office - Application for telecommunication exchange improvements

Keywords	DePENNING Deleving Automatic Telephone Standard Telephones India Patent May
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	NAIBHF00004164
File No./Reference No./Sheet No./Folio No.	76782
Location	BBSR-R1
Part No.	NA
File Size	95.7 MB
Pages	52
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	NAIBHB00000228
Location Code	NA
File Barcode	NAIBHF00004164
QC Certificate No.	QC_20240625BH
Bundle No.	36