Patent Application for an improved pneumatically operated percussive hammer for rock drilling or like purposes.

Keywords David R. Marshall
Patent Office
Calcutta
Controller of Patents and Designs
Britain
British Dominions
AS Franshally
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 NAIBHF00004849
File No./Reference No./Sheet No./Folio No. 77515
Location BBSR-R1
Part No. NA
File Size 11.1 MB
Pages 7
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 NAIBHF00004849
QC Certificate No. QC_20240627BH
Bundle No. 51
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