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AU450918B2 - Drill-and-blast process and module - Google Patents

Drill-and-blast process and module

Info

Publication number
AU450918B2
AU450918B2 AU22381/70A AU2238170A AU450918B2 AU 450918 B2 AU450918 B2 AU 450918B2 AU 22381/70 A AU22381/70 A AU 22381/70A AU 2238170 A AU2238170 A AU 2238170A AU 450918 B2 AU450918 B2 AU 450918B2
Authority
AU
Australia
Prior art keywords
drill
module
blast process
blast
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
AU22381/70A
Other versions
AU2238170A (en
Inventor
ROBERT BERGMANN and DAVID LINN COURSE OSWALD
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.)
EIDP Inc
Original Assignee
EI Du Pont de Nemours and Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by EI Du Pont de Nemours and Co filed Critical EI Du Pont de Nemours and Co
Application granted granted Critical
Publication of AU450918B2 publication Critical patent/AU450918B2/en
Publication of AU2238170A publication Critical patent/AU2238170A/en
Expired legal-status Critical Current

Links

AU22381/70A 1969-11-19 1970-11-18 Drill-and-blast process and module Expired AU450918B2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
USUS878,005 1969-11-19

Publications (2)

Publication Number Publication Date
AU450918B2 true AU450918B2 (en) 1972-05-25
AU2238170A AU2238170A (en) 1972-05-25

Family

ID=

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