AU2274035A - Rotary drilling bit - Google Patents

Rotary drilling bit

Info

Publication number
AU2274035A
AU2274035A AU22740/35A AU2274035A AU2274035A AU 2274035 A AU2274035 A AU 2274035A AU 22740/35 A AU22740/35 A AU 22740/35A AU 2274035 A AU2274035 A AU 2274035A AU 2274035 A AU2274035 A AU 2274035A
Authority
AU
Australia
Prior art keywords
rotary drilling
drilling bit
bit
rotary
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
AU22740/35A
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.)
Chicago Pneumatic Tool Co LLC
Original Assignee
Chicago Pneumatic Tool Co LLC
Filing date
Publication date
Application filed by Chicago Pneumatic Tool Co LLC filed Critical Chicago Pneumatic Tool Co LLC
Publication of AU2274035A publication Critical patent/AU2274035A/en
Expired legal-status Critical Current

Links

AU22740/35A 1935-05-23 Rotary drilling bit Expired AU2274035A (en)

Publications (1)

Publication Number Publication Date
AU2274035A true AU2274035A (en) 1936-04-23

Family

ID=

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