Patent Application for Improvements in or Relating to Directly Heated Cathodes for Electric Discharge Devices

Keywords Cantwell
Co.
India
Patent
Electric
Cathode
Tube
Ministry/ Department/ Residency PATENTS AND DESIGNS KOLKATA
Branch Kolkata
From Year / Date
(YYYY-MM-DD)
1961
To Year / Date
(YYYY-MM-DD)
1961
Source Organization NA
Identifier NAIBHF00005126
File No./Reference No./Sheet No./Folio No. 77830
Location BBSR-R1
Part No. NA
File Size 23.0 MB
Pages 13
Call Number NA
Publisher NA
Subject NA
Creator NA
Accession Number NA
Series NA
Year of Publication NA
Language English
Bundle Barcode NAIBHB00000249
Location Code NA
File Barcode NAIBHF00005126
QC Certificate No. QC_20240627BH
Bundle No. 57
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