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AU168081B2 - Rotary coal drill - Google Patents

Rotary coal drill

Info

Publication number
AU168081B2
AU168081B2 AU25667/54A AU2566754A AU168081B2 AU 168081 B2 AU168081 B2 AU 168081B2 AU 25667/54 A AU25667/54 A AU 25667/54A AU 2566754 A AU2566754 A AU 2566754A AU 168081 B2 AU168081 B2 AU 168081B2
Authority
AU
Australia
Prior art keywords
coal drill
rotary coal
rotary
drill
coal
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
AU25667/54A
Other versions
AU2566754A (en
Filing date
Publication date
Application filed filed Critical
Application granted granted Critical
Publication of AU2566754A publication Critical patent/AU2566754A/en
Publication of AU168081B2 publication Critical patent/AU168081B2/en
Expired legal-status Critical Current

Links

AU25667/54A 1954-03-10 Rotary coal drill Expired AU168081B2 (en)

Publications (2)

Publication Number Publication Date
AU2566754A AU2566754A (en) 1954-05-13
AU168081B2 true AU168081B2 (en) 1954-05-13

Family

ID=

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