PL290409A1 - Self-advancing roof supports in particular for weak floors - Google Patents

Self-advancing roof supports in particular for weak floors

Info

Publication number
PL290409A1
PL290409A1 PL29040991A PL29040991A PL290409A1 PL 290409 A1 PL290409 A1 PL 290409A1 PL 29040991 A PL29040991 A PL 29040991A PL 29040991 A PL29040991 A PL 29040991A PL 290409 A1 PL290409 A1 PL 290409A1
Authority
PL
Poland
Prior art keywords
self
roof supports
advancing roof
floors
weak
Prior art date
Application number
PL29040991A
Other versions
PL165367B1 (en
Inventor
Jerzy Moskal
Jozef Bajorek
Marian Bednarz
Karol Mazur
Jozef Domasik
Leszek Serafin
Stanislaw Zimowski
Edward Borowski
Original Assignee
Maszyn Wiertniczych I Gorniczy
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 Maszyn Wiertniczych I Gorniczy filed Critical Maszyn Wiertniczych I Gorniczy
Priority to PL29040991A priority Critical patent/PL165367B1/en
Publication of PL290409A1 publication Critical patent/PL290409A1/en
Publication of PL165367B1 publication Critical patent/PL165367B1/en

Links

PL29040991A 1991-05-22 1991-05-22 Self-advancing roof supports in particular for weak floors PL165367B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL29040991A PL165367B1 (en) 1991-05-22 1991-05-22 Self-advancing roof supports in particular for weak floors

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL29040991A PL165367B1 (en) 1991-05-22 1991-05-22 Self-advancing roof supports in particular for weak floors

Publications (2)

Publication Number Publication Date
PL290409A1 true PL290409A1 (en) 1992-11-30
PL165367B1 PL165367B1 (en) 1994-12-30

Family

ID=20054723

Family Applications (1)

Application Number Title Priority Date Filing Date
PL29040991A PL165367B1 (en) 1991-05-22 1991-05-22 Self-advancing roof supports in particular for weak floors

Country Status (1)

Country Link
PL (1) PL165367B1 (en)

Also Published As

Publication number Publication date
PL165367B1 (en) 1994-12-30

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