PL260630A1 - Roof beam of a self-advancing roof support and method of displacing the same - Google Patents

Roof beam of a self-advancing roof support and method of displacing the same

Info

Publication number
PL260630A1
PL260630A1 PL26063086A PL26063086A PL260630A1 PL 260630 A1 PL260630 A1 PL 260630A1 PL 26063086 A PL26063086 A PL 26063086A PL 26063086 A PL26063086 A PL 26063086A PL 260630 A1 PL260630 A1 PL 260630A1
Authority
PL
Poland
Prior art keywords
displacing
self
same
roof
advancing
Prior art date
Application number
PL26063086A
Other versions
PL151446B1 (en
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 filed Critical
Priority to PL26063086A priority Critical patent/PL151446B1/en
Publication of PL260630A1 publication Critical patent/PL260630A1/en
Publication of PL151446B1 publication Critical patent/PL151446B1/en

Links

PL26063086A 1986-07-14 1986-07-14 Roof beam of a self-advancing roof support and method of displacing the same PL151446B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL26063086A PL151446B1 (en) 1986-07-14 1986-07-14 Roof beam of a self-advancing roof support and method of displacing the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL26063086A PL151446B1 (en) 1986-07-14 1986-07-14 Roof beam of a self-advancing roof support and method of displacing the same

Publications (2)

Publication Number Publication Date
PL260630A1 true PL260630A1 (en) 1988-03-31
PL151446B1 PL151446B1 (en) 1990-09-28

Family

ID=20031973

Family Applications (1)

Application Number Title Priority Date Filing Date
PL26063086A PL151446B1 (en) 1986-07-14 1986-07-14 Roof beam of a self-advancing roof support and method of displacing the same

Country Status (1)

Country Link
PL (1) PL151446B1 (en)

Also Published As

Publication number Publication date
PL151446B1 (en) 1990-09-28

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