PL266546A1 - Self-advancing roof supports with guiding extendable subgroup of shields or props - Google Patents

Self-advancing roof supports with guiding extendable subgroup of shields or props

Info

Publication number
PL266546A1
PL266546A1 PL26654687A PL26654687A PL266546A1 PL 266546 A1 PL266546 A1 PL 266546A1 PL 26654687 A PL26654687 A PL 26654687A PL 26654687 A PL26654687 A PL 26654687A PL 266546 A1 PL266546 A1 PL 266546A1
Authority
PL
Poland
Prior art keywords
props
subgroup
shields
self
roof supports
Prior art date
Application number
PL26654687A
Other versions
PL154730B1 (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 PL26654687A priority Critical patent/PL154730B1/en
Publication of PL266546A1 publication Critical patent/PL266546A1/en
Publication of PL154730B1 publication Critical patent/PL154730B1/en

Links

PL26654687A 1987-06-29 1987-06-29 Self-advancing roof supports with guiding extendable subgroup of shields or props PL154730B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL26654687A PL154730B1 (en) 1987-06-29 1987-06-29 Self-advancing roof supports with guiding extendable subgroup of shields or props

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL26654687A PL154730B1 (en) 1987-06-29 1987-06-29 Self-advancing roof supports with guiding extendable subgroup of shields or props

Publications (2)

Publication Number Publication Date
PL266546A1 true PL266546A1 (en) 1989-01-05
PL154730B1 PL154730B1 (en) 1991-09-30

Family

ID=20037075

Family Applications (1)

Application Number Title Priority Date Filing Date
PL26654687A PL154730B1 (en) 1987-06-29 1987-06-29 Self-advancing roof supports with guiding extendable subgroup of shields or props

Country Status (1)

Country Link
PL (1) PL154730B1 (en)

Also Published As

Publication number Publication date
PL154730B1 (en) 1991-09-30

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