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AU238880B2 - Percussion drilling tools - Google Patents

Percussion drilling tools

Info

Publication number
AU238880B2
AU238880B2 AU54205/59A AU5420559A AU238880B2 AU 238880 B2 AU238880 B2 AU 238880B2 AU 54205/59 A AU54205/59 A AU 54205/59A AU 5420559 A AU5420559 A AU 5420559A AU 238880 B2 AU238880 B2 AU 238880B2
Authority
AU
Australia
Prior art keywords
drilling tools
percussion drilling
percussion
tools
drilling
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
AU54205/59A
Other versions
AU5420559A (en
Inventor
Borst Adolf
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Anstalt fuer Montage Technik
Original Assignee
Anstalt fuer Montage Technik
Filing date
Publication date
Application filed by Anstalt fuer Montage Technik filed Critical Anstalt fuer Montage Technik
Application granted granted Critical
Publication of AU238880B2 publication Critical patent/AU238880B2/en
Publication of AU5420559A publication Critical patent/AU5420559A/en
Expired legal-status Critical Current

Links

AU54205/59A 1959-10-30 Percussion drilling tools Expired AU238880B2 (en)

Publications (2)

Publication Number Publication Date
AU238880B2 true AU238880B2 (en) 1960-05-05
AU5420559A AU5420559A (en) 1960-05-05

Family

ID=

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