AU25116A - Improvements in hammer rock drills - Google Patents

Improvements in hammer rock drills

Info

Publication number
AU25116A
AU25116A AU251/16A AU25116A AU25116A AU 25116 A AU25116 A AU 25116A AU 251/16 A AU251/16 A AU 251/16A AU 25116 A AU25116 A AU 25116A AU 25116 A AU25116 A AU 25116A
Authority
AU
Australia
Prior art keywords
rock drills
hammer rock
hammer
drills
rock
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
AU251/16A
Inventor
Edward Kimber Walter
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.)
Individual
Original Assignee
Individual
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of AU25116A publication Critical patent/AU25116A/en
Expired legal-status Critical Current

Links

AU251/16A 1916-02-08 Improvements in hammer rock drills Expired AU25116A (en)

Publications (1)

Publication Number Publication Date
AU25116A true AU25116A (en) 1916-11-14

Family

ID=

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