ZA857760B - Method of timing,and timing device for use in underground mining operation - Google Patents

Method of timing,and timing device for use in underground mining operation

Info

Publication number
ZA857760B
ZA857760B ZA857760A ZA857760A ZA857760B ZA 857760 B ZA857760 B ZA 857760B ZA 857760 A ZA857760 A ZA 857760A ZA 857760 A ZA857760 A ZA 857760A ZA 857760 B ZA857760 B ZA 857760B
Authority
ZA
South Africa
Prior art keywords
timing
underground mining
mining operation
timing device
underground
Prior art date
Application number
ZA857760A
Inventor
Donald Michael O'connor
Vaclav Mares
Original Assignee
O Connor Donald Michael
Vaclav Mares
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 O Connor Donald Michael, Vaclav Mares filed Critical O Connor Donald Michael
Priority to ZA857760A priority Critical patent/ZA857760B/en
Publication of ZA857760B publication Critical patent/ZA857760B/en

Links

ZA857760A 1984-10-30 1985-10-08 Method of timing,and timing device for use in underground mining operation ZA857760B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ZA857760A ZA857760B (en) 1984-10-30 1985-10-08 Method of timing,and timing device for use in underground mining operation

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ZA848481 1984-10-30
ZA857760A ZA857760B (en) 1984-10-30 1985-10-08 Method of timing,and timing device for use in underground mining operation

Publications (1)

Publication Number Publication Date
ZA857760B true ZA857760B (en) 1986-05-28

Family

ID=27135832

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA857760A ZA857760B (en) 1984-10-30 1985-10-08 Method of timing,and timing device for use in underground mining operation

Country Status (1)

Country Link
ZA (1) ZA857760B (en)

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