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AU210655B2 - Short interval delay blasting device - Google Patents
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AU210655B2 - Short interval delay blasting device - Google Patents

Short interval delay blasting device

Info

Publication number
AU210655B2
AU210655B2 AU9327/55A AU932755A AU210655B2 AU 210655 B2 AU210655 B2 AU 210655B2 AU 9327/55 A AU9327/55 A AU 9327/55A AU 932755 A AU932755 A AU 932755A AU 210655 B2 AU210655 B2 AU 210655B2
Authority
AU
Australia
Prior art keywords
short interval
blasting device
interval delay
delay blasting
short
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
AU9327/55A
Other versions
AU932755A (en
Inventor
Hammet Garland McCaffrey and William Edgar Hamilton Francis
Filing date
Publication date
Application filed filed Critical
Application granted granted Critical
Publication of AU932755A publication Critical patent/AU932755A/en
Publication of AU210655B2 publication Critical patent/AU210655B2/en
Expired legal-status Critical Current

Links

AU9327/55A 1955-05-25 Short interval delay blasting device Expired AU210655B2 (en)

Publications (2)

Publication Number Publication Date
AU932755A AU932755A (en) 1955-12-01
AU210655B2 true AU210655B2 (en) 1955-12-01

Family

ID=

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