Patent Application for Automatic Door Closing Device

Keywords G. S. DAVAR
L. S. DAVAR
rubber
door
elastic
metal
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 NAIBHF00005615
File No./Reference No./Sheet No./Folio No. 78321
Location BBSR-R1
Part No. NA
File Size 19.6 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 NAIBHB00000259
Location Code NA
File Barcode NAIBHF00005615
QC Certificate No. QC_20240629BH
Bundle No. 67
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