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AU244141A - Improvements in valve mechanism for pneumatic rock drills andthe like - Google Patents

Improvements in valve mechanism for pneumatic rock drills andthe like

Info

Publication number
AU244141A
AU244141A AU2441/41A AU244141A AU244141A AU 244141 A AU244141 A AU 244141A AU 2441/41 A AU2441/41 A AU 2441/41A AU 244141 A AU244141 A AU 244141A AU 244141 A AU244141 A AU 244141A
Authority
AU
Australia
Prior art keywords
andthe
valve mechanism
rock drills
pneumatic rock
pneumatic
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
AU2441/41A
Other versions
AU117026B2 (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.)
Bobert Ernest Downing
Original Assignee
Bobert Ernest Downing
Filing date
Publication date
Application filed by Bobert Ernest Downing filed Critical Bobert Ernest Downing
Application granted granted Critical
Publication of AU244141A publication Critical patent/AU244141A/en
Publication of AU117026B2 publication Critical patent/AU117026B2/en
Expired legal-status Critical Current

Links

AU2441/41A 1941-08-06 Improvements in valve mechanism for pneumatic rock drills andthe like Expired AU117026B2 (en)

Publications (2)

Publication Number Publication Date
AU244141A true AU244141A (en) 1943-06-10
AU117026B2 AU117026B2 (en) 1943-06-10

Family

ID=

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