AU142562B2 - Improvements in or relating toa rotary percussion drill - Google Patents

Improvements in or relating toa rotary percussion drill

Info

Publication number
AU142562B2
AU142562B2 AU25340/49A AU2534049A AU142562B2 AU 142562 B2 AU142562 B2 AU 142562B2 AU 25340/49 A AU25340/49 A AU 25340/49A AU 2534049 A AU2534049 A AU 2534049A AU 142562 B2 AU142562 B2 AU 142562B2
Authority
AU
Australia
Prior art keywords
percussion drill
rotary percussion
relating toa
toa rotary
relating
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
AU25340/49A
Other versions
AU2534049A (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 AU142562B2 publication Critical patent/AU142562B2/en
Publication of AU2534049A publication Critical patent/AU2534049A/en
Expired legal-status Critical Current

Links

AU25340/49A 1949-01-13 Improvements in or relating toa rotary percussion drill Expired AU142562B2 (en)

Publications (2)

Publication Number Publication Date
AU142562B2 true AU142562B2 (en) 1949-03-17
AU2534049A AU2534049A (en) 1949-03-17

Family

ID=

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