Patent Application Improvements in or relating to rock drilling and like borin and Appanatins

Keywords DePENNING
Halifax Tool Co.
drill tubes
flushing fluid tube
compressed air
rock drilling apparatus
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 NAIBHF00004850
File No./Reference No./Sheet No./Folio No. 77516
Location BBSR-R1
Part No. NA
File Size 61.0 MB
Pages 36
Call Number NA
Publisher NA
Subject NA
Creator NA
Accession Number NA
Series NA
Year of Publication NA
Language English
Bundle Barcode NAIBHB00000243
Location Code NA
File Barcode NAIBHF00004850
QC Certificate No. QC_20240627BH
Bundle No. 51
    4 views

Other Similar Items