AU162256B2 - Drilling apparatus - Google Patents

Drilling apparatus

Info

Publication number
AU162256B2
AU162256B2 AU24010/53A AU2401053A AU162256B2 AU 162256 B2 AU162256 B2 AU 162256B2 AU 24010/53 A AU24010/53 A AU 24010/53A AU 2401053 A AU2401053 A AU 2401053A AU 162256 B2 AU162256 B2 AU 162256B2
Authority
AU
Australia
Prior art keywords
drilling apparatus
drilling
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
AU24010/53A
Other versions
AU2401053A (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.)
JOY MANUFACTURING Co PTY Ltd
Original Assignee
JOY MANUFACTURING Co PTY Ltd
Filing date
Publication date
Application filed by JOY MANUFACTURING Co PTY Ltd filed Critical JOY MANUFACTURING Co PTY Ltd
Application granted granted Critical
Publication of AU2401053A publication Critical patent/AU2401053A/en
Publication of AU162256B2 publication Critical patent/AU162256B2/en
Expired legal-status Critical Current

Links

AU24010/53A 1953-12-23 Drilling apparatus Expired AU162256B2 (en)

Publications (2)

Publication Number Publication Date
AU2401053A AU2401053A (en) 1954-02-25
AU162256B2 true AU162256B2 (en) 1954-02-25

Family

ID=

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