AU167511B2 - Improvements in or relating to roof support devices for roofs in underground mines - Google Patents

Improvements in or relating to roof support devices for roofs in underground mines

Info

Publication number
AU167511B2
AU167511B2 AU25443/54A AU2544354A AU167511B2 AU 167511 B2 AU167511 B2 AU 167511B2 AU 25443/54 A AU25443/54 A AU 25443/54A AU 2544354 A AU2544354 A AU 2544354A AU 167511 B2 AU167511 B2 AU 167511B2
Authority
AU
Australia
Prior art keywords
roofs
relating
support devices
roof support
underground mines
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
AU25443/54A
Other versions
AU2544354A (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.)
N J MUSCHAMP AND Co Ltd
Original Assignee
N J MUSCHAMP AND Co Ltd
Filing date
Publication date
Application filed by N J MUSCHAMP AND Co Ltd filed Critical N J MUSCHAMP AND Co Ltd
Application granted granted Critical
Publication of AU2544354A publication Critical patent/AU2544354A/en
Publication of AU167511B2 publication Critical patent/AU167511B2/en
Expired legal-status Critical Current

Links

AU25443/54A 1954-03-03 Improvements in or relating to roof support devices for roofs in underground mines Expired AU167511B2 (en)

Publications (2)

Publication Number Publication Date
AU2544354A AU2544354A (en) 1954-05-06
AU167511B2 true AU167511B2 (en) 1954-05-06

Family

ID=

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