PL265265A1 - Self-advancing roof support - Google Patents

Self-advancing roof support

Info

Publication number
PL265265A1
PL265265A1 PL26526587A PL26526587A PL265265A1 PL 265265 A1 PL265265 A1 PL 265265A1 PL 26526587 A PL26526587 A PL 26526587A PL 26526587 A PL26526587 A PL 26526587A PL 265265 A1 PL265265 A1 PL 265265A1
Authority
PL
Poland
Prior art keywords
self
roof support
advancing roof
advancing
support
Prior art date
Application number
PL26526587A
Other versions
PL154720B1 (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 PL26526587A priority Critical patent/PL154720B1/en
Publication of PL265265A1 publication Critical patent/PL265265A1/en
Publication of PL154720B1 publication Critical patent/PL154720B1/en

Links

PL26526587A 1987-04-16 1987-04-16 Self-advancing roof supports PL154720B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL26526587A PL154720B1 (en) 1987-04-16 1987-04-16 Self-advancing roof supports

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL26526587A PL154720B1 (en) 1987-04-16 1987-04-16 Self-advancing roof supports

Publications (2)

Publication Number Publication Date
PL265265A1 true PL265265A1 (en) 1988-11-10
PL154720B1 PL154720B1 (en) 1991-09-30

Family

ID=20035974

Family Applications (1)

Application Number Title Priority Date Filing Date
PL26526587A PL154720B1 (en) 1987-04-16 1987-04-16 Self-advancing roof supports

Country Status (1)

Country Link
PL (1) PL154720B1 (en)

Also Published As

Publication number Publication date
PL154720B1 (en) 1991-09-30

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