AU276021B2 - 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
AU276021B2
AU276021B2 AU48738/64A AU4873864A AU276021B2 AU 276021 B2 AU276021 B2 AU 276021B2 AU 48738/64 A AU48738/64 A AU 48738/64A AU 4873864 A AU4873864 A AU 4873864A AU 276021 B2 AU276021 B2 AU 276021B2
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
AU48738/64A
Other versions
AU4873864A (en
Inventor
Maria Groetschel Karl
Filing date
Publication date
Application filed filed Critical
Application granted granted Critical
Publication of AU276021B2 publication Critical patent/AU276021B2/en
Publication of AU4873864A publication Critical patent/AU4873864A/en
Expired legal-status Critical Current

Links

AU48738/64A 1964-08-31 Improvements relating to roof supports primarily for use in mine workings Expired AU276021B2 (en)

Publications (2)

Publication Number Publication Date
AU276021B2 true AU276021B2 (en) 1964-09-24
AU4873864A AU4873864A (en) 1964-09-24

Family

ID=

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