PL250823A1 - Self-advancing roof supports - Google Patents

Self-advancing roof supports

Info

Publication number
PL250823A1
PL250823A1 PL25082384A PL25082384A PL250823A1 PL 250823 A1 PL250823 A1 PL 250823A1 PL 25082384 A PL25082384 A PL 25082384A PL 25082384 A PL25082384 A PL 25082384A PL 250823 A1 PL250823 A1 PL 250823A1
Authority
PL
Poland
Prior art keywords
self
roof supports
advancing roof
advancing
supports
Prior art date
Application number
PL25082384A
Other versions
PL147643B3 (en
Inventor
Wincenty Pretor
Adolf Drewniak
Henryk Zych
Boguslaw Wojanowski
Original Assignee
Zmechanizowanych Obudow Sciano
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 Zmechanizowanych Obudow Sciano filed Critical Zmechanizowanych Obudow Sciano
Priority to PL25082384A priority Critical patent/PL147643B3/en
Publication of PL250823A1 publication Critical patent/PL250823A1/en
Publication of PL147643B3 publication Critical patent/PL147643B3/en

Links

PL25082384A 1984-12-07 1984-12-07 Self-advancing roof supports PL147643B3 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL25082384A PL147643B3 (en) 1984-12-07 1984-12-07 Self-advancing roof supports

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL25082384A PL147643B3 (en) 1984-12-07 1984-12-07 Self-advancing roof supports

Publications (2)

Publication Number Publication Date
PL250823A1 true PL250823A1 (en) 1986-06-17
PL147643B3 PL147643B3 (en) 1989-07-31

Family

ID=20024416

Family Applications (1)

Application Number Title Priority Date Filing Date
PL25082384A PL147643B3 (en) 1984-12-07 1984-12-07 Self-advancing roof supports

Country Status (1)

Country Link
PL (1) PL147643B3 (en)

Also Published As

Publication number Publication date
PL147643B3 (en) 1989-07-31

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