AU447952B2 - A rock drill - Google Patents

A rock drill

Info

Publication number
AU447952B2
AU447952B2 AU41842/68A AU4184268A AU447952B2 AU 447952 B2 AU447952 B2 AU 447952B2 AU 41842/68 A AU41842/68 A AU 41842/68A AU 4184268 A AU4184268 A AU 4184268A AU 447952 B2 AU447952 B2 AU 447952B2
Authority
AU
Australia
Prior art keywords
rock drill
drill
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
AU41842/68A
Other versions
AU4184268A (en
Inventor
Ishihara Masamitsu
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.)
Ishihara Kikai Kogyo Co Ltd
Original Assignee
Ishihara Kikai Kogyo Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Ishihara Kikai Kogyo Co Ltd filed Critical Ishihara Kikai Kogyo Co Ltd
Application granted granted Critical
Publication of AU447952B2 publication Critical patent/AU447952B2/en
Publication of AU4184268A publication Critical patent/AU4184268A/en
Expired legal-status Critical Current

Links

AU41842/68A 1967-08-12 1968-08-08 A rock drill Expired AU447952B2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JPJP69514/67 1967-08-12

Publications (2)

Publication Number Publication Date
AU447952B2 true AU447952B2 (en) 1970-02-12
AU4184268A AU4184268A (en) 1970-02-12

Family

ID=

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