AU1897029A - An improved rotative percussive bit for use in rock drills - Google Patents

An improved rotative percussive bit for use in rock drills

Info

Publication number
AU1897029A
AU1897029A AU18970/29A AU1897029A AU1897029A AU 1897029 A AU1897029 A AU 1897029A AU 18970/29 A AU18970/29 A AU 18970/29A AU 1897029 A AU1897029 A AU 1897029A AU 1897029 A AU1897029 A AU 1897029A
Authority
AU
Australia
Prior art keywords
rotative
improved
rock drills
percussive bit
percussive
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
AU18970/29A
Inventor
William Secombe Curtis James
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 AU1897029A publication Critical patent/AU1897029A/en
Expired legal-status Critical Current

Links

AU18970/29A 1929-07-05 An improved rotative percussive bit for use in rock drills Expired AU1897029A (en)

Publications (1)

Publication Number Publication Date
AU1897029A true AU1897029A (en) 1930-07-01

Family

ID=

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