AU1875656A - Method of making rock drills and rock drill steel - Google Patents

Method of making rock drills and rock drill steel

Info

Publication number
AU1875656A
AU1875656A AU18756/56A AU1875656A AU1875656A AU 1875656 A AU1875656 A AU 1875656A AU 18756/56 A AU18756/56 A AU 18756/56A AU 1875656 A AU1875656 A AU 1875656A AU 1875656 A AU1875656 A AU 1875656A
Authority
AU
Australia
Prior art keywords
rock
drill steel
making
drills
rock drill
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
AU18756/56A
Other versions
AU212155B2 (en
Inventor
Anders Backstrom Sven
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.)
SKF AB
Original Assignee
Svenska Kullagerfabriken AB
Filing date
Publication date
Application filed by Svenska Kullagerfabriken AB filed Critical Svenska Kullagerfabriken AB
Application granted granted Critical
Publication of AU212155B2 publication Critical patent/AU212155B2/en
Publication of AU1875656A publication Critical patent/AU1875656A/en
Expired legal-status Critical Current

Links

AU18756/56A 1956-06-05 Method of making rock drills and rock drill steel Expired AU212155B2 (en)

Publications (2)

Publication Number Publication Date
AU212155B2 AU212155B2 (en) 1956-12-06
AU1875656A true AU1875656A (en) 1956-12-06

Family

ID=

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