AU276061B2 - 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
AU276061B2
AU276061B2 AU48740/64A AU4874064A AU276061B2 AU 276061 B2 AU276061 B2 AU 276061B2 AU 48740/64 A AU48740/64 A AU 48740/64A AU 4874064 A AU4874064 A AU 4874064A AU 276061 B2 AU276061 B2 AU 276061B2
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 - Lifetime
Application number
AU48740/64A
Inventor
marta Eben Bisciotti kari
Filing date
Publication of AU276061B2 publication Critical patent/AU276061B2/en
Application filed filed Critical
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

AU48740/64A 1964-08-31 Improvements relating to roof supports primarily for use in mine workings Expired - Lifetime AU276061B2 (en)

Publications (1)

Publication Number Publication Date
AU276061B2 true AU276061B2 (en)

Family

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