Patent Application - Method for indicating faults in a telephone circuit

Keywords Ritall
REMFRY & SON
D.E. D'SOUZA
R. Hall
telephone circuit
subscriber's premises
exchange
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 NAIBHF00002623
File No./Reference No./Sheet No./Folio No. 75179
Location BBSR-R1
Part No. NA
File Size 36.3 MB
Pages 21
Call Number NA
Publisher NA
Subject NA
Creator NA
Accession Number NA
Series NA
Year of Publication NA
Language English
Bundle Barcode NAIBHB00000196
Location Code NA
File Barcode NAIBHF00002623
QC Certificate No. QC_20240721BH
Bundle No. 4

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