PL297733A1 - Roof supports of limited yeldability especially for galleries and working with potential risk of crump occurrence - Google Patents

Roof supports of limited yeldability especially for galleries and working with potential risk of crump occurrence

Info

Publication number
PL297733A1
PL297733A1 PL29773393A PL29773393A PL297733A1 PL 297733 A1 PL297733 A1 PL 297733A1 PL 29773393 A PL29773393 A PL 29773393A PL 29773393 A PL29773393 A PL 29773393A PL 297733 A1 PL297733 A1 PL 297733A1
Authority
PL
Poland
Prior art keywords
yeldability
crump
galleries
occurrence
working
Prior art date
Application number
PL29773393A
Inventor
Jozef Kowal
Kazimierz Stoinski
Edward Kowalski
Jan Perek
Kazimierz Twardokes
Original Assignee
Glowny Instytut Gornictwa
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 Glowny Instytut Gornictwa filed Critical Glowny Instytut Gornictwa
Priority to PL29773393A priority Critical patent/PL297733A1/en
Publication of PL297733A1 publication Critical patent/PL297733A1/en

Links

PL29773393A 1993-02-12 1993-02-12 Roof supports of limited yeldability especially for galleries and working with potential risk of crump occurrence PL297733A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL29773393A PL297733A1 (en) 1993-02-12 1993-02-12 Roof supports of limited yeldability especially for galleries and working with potential risk of crump occurrence

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL29773393A PL297733A1 (en) 1993-02-12 1993-02-12 Roof supports of limited yeldability especially for galleries and working with potential risk of crump occurrence

Publications (1)

Publication Number Publication Date
PL297733A1 true PL297733A1 (en) 1994-08-22

Family

ID=20059556

Family Applications (1)

Application Number Title Priority Date Filing Date
PL29773393A PL297733A1 (en) 1993-02-12 1993-02-12 Roof supports of limited yeldability especially for galleries and working with potential risk of crump occurrence

Country Status (1)

Country Link
PL (1) PL297733A1 (en)

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