ZA724518B - Improvements in air stopping in underground mines - Google Patents

Improvements in air stopping in underground mines

Info

Publication number
ZA724518B
ZA724518B ZA724518A ZA724518A ZA724518B ZA 724518 B ZA724518 B ZA 724518B ZA 724518 A ZA724518 A ZA 724518A ZA 724518 A ZA724518 A ZA 724518A ZA 724518 B ZA724518 B ZA 724518B
Authority
ZA
South Africa
Prior art keywords
underground mines
air stopping
stopping
air
mines
Prior art date
Application number
ZA724518A
Inventor
J Kennedy
Original Assignee
Schwarz Holywell Ltd
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 Schwarz Holywell Ltd filed Critical Schwarz Holywell Ltd
Priority to ZA724518A priority Critical patent/ZA724518B/en
Publication of ZA724518B publication Critical patent/ZA724518B/en

Links

ZA724518A 1972-06-30 1972-06-30 Improvements in air stopping in underground mines ZA724518B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ZA724518A ZA724518B (en) 1972-06-30 1972-06-30 Improvements in air stopping in underground mines

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ZA724518A ZA724518B (en) 1972-06-30 1972-06-30 Improvements in air stopping in underground mines

Publications (1)

Publication Number Publication Date
ZA724518B true ZA724518B (en) 1973-03-28

Family

ID=25565077

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA724518A ZA724518B (en) 1972-06-30 1972-06-30 Improvements in air stopping in underground mines

Country Status (1)

Country Link
ZA (1) ZA724518B (en)

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