Improvements relating to automatic telephone exchange systems

Keywords H.V. Williams
K.W. Foster
Associated Electrical Industries Limited
Hig
Fig
National
India
Ministry/ Department/ Residency PATENTS AND DISGNS KOLKATA
Branch Kolkata
From Year / Date
(YYYY-MM-DD)
1962
To Year / Date
(YYYY-MM-DD)
1962
Source Organization NA
Identifier NAIBHF00007469
File No./Reference No./Sheet No./Folio No. 85557
Location BBSR-R1
Part No. NA
File Size 55.5 MB
Pages 34
Call Number NA
Publisher NA
Subject NA
Creator NA
Accession Number NA
Series NA
Year of Publication NA
Language English
Bundle Barcode NAIBHB00000298
Location Code NA
File Barcode NAIBHF00007469
QC Certificate No. QC_20240703BH
Bundle No. 106

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