Patent application for improvements in or relating to percussion drilling apparatus

Keywords Drilling
Apparatus
Patent
India
Percussion
Casing
Piston
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 NAIBHF00005717
File No./Reference No./Sheet No./Folio No. 78426
Location BBSR-R1
Part No. NA
File Size 49.9 MB
Pages 29
Call Number NA
Publisher NA
Subject NA
Creator NA
Accession Number NA
Series NA
Year of Publication NA
Language English
Bundle Barcode NAIBHB00000261
Location Code NA
File Barcode NAIBHF00005717
QC Certificate No. QC_20240723BH
Bundle No. 69

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