Register circuit for automatic telephone exchanges

Keywords Patent
Automatic Telephone Exchange
Pye Ltd
Remfrey & Son
Circuit
Tube
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 NAIBHF00004149
File No./Reference No./Sheet No./Folio No. 76767
Location BBSR-R1
Part No. NA
File Size 30.0 MB
Pages 17
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 NAIBHF00004149
QC Certificate No. QC_20240625BH
Bundle No. 36
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