AU406888B2 - Hydraulic mining pit prop - Google Patents

Hydraulic mining pit prop

Info

Publication number
AU406888B2
AU406888B2 AU52204/64A AU5220464A AU406888B2 AU 406888 B2 AU406888 B2 AU 406888B2 AU 52204/64 A AU52204/64 A AU 52204/64A AU 5220464 A AU5220464 A AU 5220464A AU 406888 B2 AU406888 B2 AU 406888B2
Authority
AU
Australia
Prior art keywords
hydraulic mining
pit prop
mining pit
prop
hydraulic
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
AU52204/64A
Inventor
WILKENING and ERICH JAGER WILHELM
Filing date
Publication of AU406888B2 publication Critical patent/AU406888B2/en
Application filed filed Critical
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

AU52204/64A 1964-11-26 Hydraulic mining pit prop Expired - Lifetime AU406888B2 (en)

Publications (1)

Publication Number Publication Date
AU406888B2 true AU406888B2 (en)

Family

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