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AU145197B2 - Improvements in or relating to rotary percussion drill - Google Patents
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AU145197B2 - Improvements in or relating to rotary percussion drill - Google Patents

Improvements in or relating to rotary percussion drill

Info

Publication number
AU145197B2
AU145197B2 AU34987/50A AU3498750A AU145197B2 AU 145197 B2 AU145197 B2 AU 145197B2 AU 34987/50 A AU34987/50 A AU 34987/50A AU 3498750 A AU3498750 A AU 3498750A AU 145197 B2 AU145197 B2 AU 145197B2
Authority
AU
Australia
Prior art keywords
relating
percussion drill
rotary percussion
rotary
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
AU34987/50A
Other versions
AU3498750A (en
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.)
Timken Co
Original Assignee
Timken Roller Bearing Co
Filing date
Publication date
Application filed by Timken Roller Bearing Co filed Critical Timken Roller Bearing Co
Application granted granted Critical
Publication of AU145197B2 publication Critical patent/AU145197B2/en
Publication of AU3498750A publication Critical patent/AU3498750A/en
Expired legal-status Critical Current

Links

AU34987/50A 1950-06-13 Improvements in or relating to rotary percussion drill Expired AU145197B2 (en)

Publications (2)

Publication Number Publication Date
AU145197B2 true AU145197B2 (en) 1950-08-17
AU3498750A AU3498750A (en) 1950-08-17

Family

ID=

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