Improvements in the method of synchronizing a series of selector switches of automatic switchboards by means of connected control circuits.

Keywords Ritzel
Hall
REMFRY
SON
AMP INC
India
Patent
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 NAIBHF00006972
File No./Reference No./Sheet No./Folio No. 85043
Location BBSR-R1
Part No. NA
File Size 14.2 MB
Pages 8
Call Number NA
Publisher NA
Subject NA
Creator NA
Accession Number NA
Series NA
Year of Publication NA
Language English
Bundle Barcode NAIBHB00000287
Location Code NA
File Barcode NAIBHF00006972
QC Certificate No. QC_20240702BH
Bundle No. 95

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