PL287425A1 - Self-advancing roof supports - Google Patents

Self-advancing roof supports

Info

Publication number
PL287425A1
PL287425A1 PL28742590A PL28742590A PL287425A1 PL 287425 A1 PL287425 A1 PL 287425A1 PL 28742590 A PL28742590 A PL 28742590A PL 28742590 A PL28742590 A PL 28742590A PL 287425 A1 PL287425 A1 PL 287425A1
Authority
PL
Poland
Prior art keywords
self
roof supports
advancing roof
advancing
supports
Prior art date
Application number
PL28742590A
Other versions
PL163184B1 (en
Inventor
Jan Lenard
Wincenty Pretor
Karol Nowak
Original Assignee
Ct Kt Maszyn Gorniczych Komag
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 Ct Kt Maszyn Gorniczych Komag filed Critical Ct Kt Maszyn Gorniczych Komag
Priority to PL28742590A priority Critical patent/PL163184B1/en
Publication of PL287425A1 publication Critical patent/PL287425A1/en
Publication of PL163184B1 publication Critical patent/PL163184B1/en

Links

PL28742590A 1990-10-18 1990-10-18 Mechanized mining support PL163184B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL28742590A PL163184B1 (en) 1990-10-18 1990-10-18 Mechanized mining support

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL28742590A PL163184B1 (en) 1990-10-18 1990-10-18 Mechanized mining support

Publications (2)

Publication Number Publication Date
PL287425A1 true PL287425A1 (en) 1992-04-21
PL163184B1 PL163184B1 (en) 1994-02-28

Family

ID=20052671

Family Applications (1)

Application Number Title Priority Date Filing Date
PL28742590A PL163184B1 (en) 1990-10-18 1990-10-18 Mechanized mining support

Country Status (1)

Country Link
PL (1) PL163184B1 (en)

Also Published As

Publication number Publication date
PL163184B1 (en) 1994-02-28

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