Automatic Telephone Exchange Circuit

Keywords Telephone
Exchange
Gating
Means
Potential
Circuit
DePENNING
Ministry/ Department/ Residency PATENTS AND DISGNS KOLKATA
Branch Kolkata
From Year / Date
(YYYY-MM-DD)
1963
To Year / Date
(YYYY-MM-DD)
1963
Source Organization NA
Identifier NAIBHF00008106
File No./Reference No./Sheet No./Folio No. 86361
Location BBSR-R1
Part No. NA
File Size 27.6 MB
Pages 17
Call Number NA
Publisher NA
Subject NA
Creator NA
Accession Number NA
Series NA
Year of Publication NA
Language English
Bundle Barcode NAIBHB00003011
Location Code NA
File Barcode NAIBHF00008106
QC Certificate No. QC_20240705BH
Bundle No. #N/A
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