PL247352A4 - Method of protecting roof behind a self advancing roof support and apparatus therefor - Google Patents

Method of protecting roof behind a self advancing roof support and apparatus therefor

Info

Publication number
PL247352A4
PL247352A4 PL24735284A PL24735284A PL247352A4 PL 247352 A4 PL247352 A4 PL 247352A4 PL 24735284 A PL24735284 A PL 24735284A PL 24735284 A PL24735284 A PL 24735284A PL 247352 A4 PL247352 A4 PL 247352A4
Authority
PL
Poland
Prior art keywords
roof
apparatus therefor
protecting
behind
self advancing
Prior art date
Application number
PL24735284A
Other versions
PL142201B1 (en
Inventor
Marian Krysik
Alfred Bilinski
Jozef Lojas
Jan Perek
Ryszard Jurek
Slawoj Rutkowski
Tadeusz Binkowski
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 PL24735284A priority Critical patent/PL142201B1/en
Publication of PL247352A4 publication Critical patent/PL247352A4/en
Publication of PL142201B1 publication Critical patent/PL142201B1/en

Links

PL24735284A 1984-04-19 1984-04-19 Method of protecting roof behind a self advancing roof support and apparatus therefor PL142201B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL24735284A PL142201B1 (en) 1984-04-19 1984-04-19 Method of protecting roof behind a self advancing roof support and apparatus therefor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL24735284A PL142201B1 (en) 1984-04-19 1984-04-19 Method of protecting roof behind a self advancing roof support and apparatus therefor

Publications (2)

Publication Number Publication Date
PL247352A4 true PL247352A4 (en) 1985-02-27
PL142201B1 PL142201B1 (en) 1987-09-30

Family

ID=20021507

Family Applications (1)

Application Number Title Priority Date Filing Date
PL24735284A PL142201B1 (en) 1984-04-19 1984-04-19 Method of protecting roof behind a self advancing roof support and apparatus therefor

Country Status (1)

Country Link
PL (1) PL142201B1 (en)

Also Published As

Publication number Publication date
PL142201B1 (en) 1987-09-30

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