AU202405B2 - Tubular drilling apparatus - Google Patents

Tubular drilling apparatus

Info

Publication number
AU202405B2
AU202405B2 AU372/54A AU37254A AU202405B2 AU 202405 B2 AU202405 B2 AU 202405B2 AU 372/54 A AU372/54 A AU 372/54A AU 37254 A AU37254 A AU 37254A AU 202405 B2 AU202405 B2 AU 202405B2
Authority
AU
Australia
Prior art keywords
drilling apparatus
tubular drilling
tubular
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
AU372/54A
Other versions
AU37254A (en
Inventor
and Adalbert Schmidt Hermann Hemscheidt
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
Application granted granted Critical
Publication of AU37254A publication Critical patent/AU37254A/en
Publication of AU202405B2 publication Critical patent/AU202405B2/en
Expired legal-status Critical Current

Links

AU372/54A 1954-05-20 Tubular drilling apparatus Expired AU202405B2 (en)

Publications (2)

Publication Number Publication Date
AU37254A AU37254A (en) 1954-11-25
AU202405B2 true AU202405B2 (en) 1954-11-25

Family

ID=

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