AU213739B2 - Improvements in roof bolts - Google Patents

Improvements in roof bolts

Info

Publication number
AU213739B2
AU213739B2 AU15967/56A AU1596756A AU213739B2 AU 213739 B2 AU213739 B2 AU 213739B2 AU 15967/56 A AU15967/56 A AU 15967/56A AU 1596756 A AU1596756 A AU 1596756A AU 213739 B2 AU213739 B2 AU 213739B2
Authority
AU
Australia
Prior art keywords
roof bolts
roof
bolts
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
AU15967/56A
Other versions
AU1596756A (en
Inventor
Farra Ainge Ronald
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 AU1596756A publication Critical patent/AU1596756A/en
Publication of AU213739B2 publication Critical patent/AU213739B2/en
Expired legal-status Critical Current

Links

AU15967/56A 1956-02-16 Improvements in roof bolts Expired AU213739B2 (en)

Publications (2)

Publication Number Publication Date
AU1596756A AU1596756A (en) 1957-07-25
AU213739B2 true AU213739B2 (en) 1957-07-25

Family

ID=

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