PL273731A3 - Self-advancing roof supports - Google Patents

Self-advancing roof supports

Info

Publication number
PL273731A3
PL273731A3 PL27373188A PL27373188A PL273731A3 PL 273731 A3 PL273731 A3 PL 273731A3 PL 27373188 A PL27373188 A PL 27373188A PL 27373188 A PL27373188 A PL 27373188A PL 273731 A3 PL273731 A3 PL 273731A3
Authority
PL
Poland
Prior art keywords
self
roof supports
advancing roof
advancing
supports
Prior art date
Application number
PL27373188A
Other versions
PL158999B1 (en
Inventor
Jan Leonard
Wincenty Pretor
Hubert Pelka
Karol Nowak
Kazimierz Hurnik
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 PL27373188A priority Critical patent/PL158999B1/en
Publication of PL273731A3 publication Critical patent/PL273731A3/en
Publication of PL158999B1 publication Critical patent/PL158999B1/en

Links

PL27373188A 1988-07-12 1988-07-12 Self-advancing roof supports PL158999B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL27373188A PL158999B1 (en) 1988-07-12 1988-07-12 Self-advancing roof supports

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL27373188A PL158999B1 (en) 1988-07-12 1988-07-12 Self-advancing roof supports

Publications (2)

Publication Number Publication Date
PL273731A3 true PL273731A3 (en) 1990-01-22
PL158999B1 PL158999B1 (en) 1992-10-30

Family

ID=20043261

Family Applications (1)

Application Number Title Priority Date Filing Date
PL27373188A PL158999B1 (en) 1988-07-12 1988-07-12 Self-advancing roof supports

Country Status (1)

Country Link
PL (1) PL158999B1 (en)

Also Published As

Publication number Publication date
PL158999B1 (en) 1992-10-30

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