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AU288792B2 - Improved method of mining material - Google Patents
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AU288792B2 - Improved method of mining material - Google Patents

Improved method of mining material

Info

Publication number
AU288792B2
AU288792B2 AU39532/64A AU3953264A AU288792B2 AU 288792 B2 AU288792 B2 AU 288792B2 AU 39532/64 A AU39532/64 A AU 39532/64A AU 3953264 A AU3953264 A AU 3953264A AU 288792 B2 AU288792 B2 AU 288792B2
Authority
AU
Australia
Prior art keywords
improved method
mining material
mining
improved
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
AU39532/64A
Other versions
AU3953264A (en
Inventor
JAMES BOWEN DAHMS and BYRON PRIESTLY EDMONDS EDWARD PHELPS HELVESTON
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.)
PPG Industries Inc
Original Assignee
Pittsburgh Plate Glass Co
Filing date
Publication date
Application filed by Pittsburgh Plate Glass Co filed Critical Pittsburgh Plate Glass Co
Application granted granted Critical
Publication of AU3953264A publication Critical patent/AU3953264A/en
Publication of AU288792B2 publication Critical patent/AU288792B2/en
Expired legal-status Critical Current

Links

AU39532/64A 1964-01-07 Improved method of mining material Expired AU288792B2 (en)

Publications (2)

Publication Number Publication Date
AU3953264A AU3953264A (en) 1965-07-08
AU288792B2 true AU288792B2 (en) 1965-07-08

Family

ID=

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