PL251721A1 - Self-advancing roof support unit - Google Patents

Self-advancing roof support unit

Info

Publication number
PL251721A1
PL251721A1 PL25172185A PL25172185A PL251721A1 PL 251721 A1 PL251721 A1 PL 251721A1 PL 25172185 A PL25172185 A PL 25172185A PL 25172185 A PL25172185 A PL 25172185A PL 251721 A1 PL251721 A1 PL 251721A1
Authority
PL
Poland
Prior art keywords
self
support unit
roof support
advancing roof
advancing
Prior art date
Application number
PL25172185A
Inventor
Adolf Drewniak
Tadeusz Mijal
Wincenty Pretor
Zbigniew Cieslak
Henryk Zych
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 PL25172185A priority Critical patent/PL251721A1/en
Publication of PL251721A1 publication Critical patent/PL251721A1/en

Links

PL25172185A 1985-01-25 1985-01-25 Self-advancing roof support unit PL251721A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL25172185A PL251721A1 (en) 1985-01-25 1985-01-25 Self-advancing roof support unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL25172185A PL251721A1 (en) 1985-01-25 1985-01-25 Self-advancing roof support unit

Publications (1)

Publication Number Publication Date
PL251721A1 true PL251721A1 (en) 1986-07-29

Family

ID=20025205

Family Applications (1)

Application Number Title Priority Date Filing Date
PL25172185A PL251721A1 (en) 1985-01-25 1985-01-25 Self-advancing roof support unit

Country Status (1)

Country Link
PL (1) PL251721A1 (en)

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