AU276011B2 - Improvements relating to roof supports primarily for use in mine workings - Google Patents

Improvements relating to roof supports primarily for use in mine workings

Info

Publication number
AU276011B2
AU276011B2 AU26730/63A AU2673063A AU276011B2 AU 276011 B2 AU276011 B2 AU 276011B2 AU 26730/63 A AU26730/63 A AU 26730/63A AU 2673063 A AU2673063 A AU 2673063A AU 276011 B2 AU276011 B2 AU 276011B2
Authority
AU
Australia
Prior art keywords
improvements relating
roof supports
mine workings
supports primarily
primarily
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
AU26730/63A
Other versions
AU2673063A (en
Inventor
Maria Groetschel Karl
Filing date
Publication date
Application filed filed Critical
Application granted granted Critical
Publication of AU2673063A publication Critical patent/AU2673063A/en
Publication of AU276011B2 publication Critical patent/AU276011B2/en
Expired legal-status Critical Current

Links

AU26730/63A 1963-01-24 Improvements relating to roof supports primarily for use in mine workings Expired AU276011B2 (en)

Publications (2)

Publication Number Publication Date
AU2673063A AU2673063A (en) 1964-07-30
AU276011B2 true AU276011B2 (en) 1964-07-30

Family

ID=

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