PL291748A1 - Self-advancing shielded roof supports - Google Patents

Self-advancing shielded roof supports

Info

Publication number
PL291748A1
PL291748A1 PL29174891A PL29174891A PL291748A1 PL 291748 A1 PL291748 A1 PL 291748A1 PL 29174891 A PL29174891 A PL 29174891A PL 29174891 A PL29174891 A PL 29174891A PL 291748 A1 PL291748 A1 PL 291748A1
Authority
PL
Poland
Prior art keywords
advancing
self
roof supports
shielded
shielded roof
Prior art date
Application number
PL29174891A
Inventor
Jozef Pabijan
Jan Gwiazda
Stanislaw Strojek
Jozef Kaminski
Zbigniew Kozuch
Original Assignee
Rozbark Kopalnia Wegla Kamienn
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 Rozbark Kopalnia Wegla Kamienn filed Critical Rozbark Kopalnia Wegla Kamienn
Priority to PL29174891A priority Critical patent/PL291748A1/en
Publication of PL291748A1 publication Critical patent/PL291748A1/en

Links

PL29174891A 1991-09-16 1991-09-16 Self-advancing shielded roof supports PL291748A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL29174891A PL291748A1 (en) 1991-09-16 1991-09-16 Self-advancing shielded roof supports

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL29174891A PL291748A1 (en) 1991-09-16 1991-09-16 Self-advancing shielded roof supports

Publications (1)

Publication Number Publication Date
PL291748A1 true PL291748A1 (en) 1993-03-22

Family

ID=20055668

Family Applications (1)

Application Number Title Priority Date Filing Date
PL29174891A PL291748A1 (en) 1991-09-16 1991-09-16 Self-advancing shielded roof supports

Country Status (1)

Country Link
PL (1) PL291748A1 (en)

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