PL55109Y1 - Mine roof supports of limited compressibility especially for workings with crump hazard - Google Patents

Mine roof supports of limited compressibility especially for workings with crump hazard

Info

Publication number
PL55109Y1
PL55109Y1 PL10498793U PL10498793U PL55109Y1 PL 55109 Y1 PL55109 Y1 PL 55109Y1 PL 10498793 U PL10498793 U PL 10498793U PL 10498793 U PL10498793 U PL 10498793U PL 55109 Y1 PL55109 Y1 PL 55109Y1
Authority
PL
Poland
Prior art keywords
workings
mine roof
roof supports
limited compressibility
crump
Prior art date
Application number
PL10498793U
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 PL10498793U priority Critical patent/PL55109Y1/en
Publication of PL55109Y1 publication Critical patent/PL55109Y1/en

Links

PL10498793U 1993-02-12 1993-02-12 Mine roof supports of limited compressibility especially for workings with crump hazard PL55109Y1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL10498793U PL55109Y1 (en) 1993-02-12 1993-02-12 Mine roof supports of limited compressibility especially for workings with crump hazard

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL10498793U PL55109Y1 (en) 1993-02-12 1993-02-12 Mine roof supports of limited compressibility especially for workings with crump hazard

Publications (1)

Publication Number Publication Date
PL55109Y1 true PL55109Y1 (en) 1997-04-30

Family

ID=19942638

Family Applications (1)

Application Number Title Priority Date Filing Date
PL10498793U PL55109Y1 (en) 1993-02-12 1993-02-12 Mine roof supports of limited compressibility especially for workings with crump hazard

Country Status (1)

Country Link
PL (1) PL55109Y1 (en)

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