PL267356A1 - Self-advancing roof supports unit - Google Patents

Self-advancing roof supports unit

Info

Publication number
PL267356A1
PL267356A1 PL26735687A PL26735687A PL267356A1 PL 267356 A1 PL267356 A1 PL 267356A1 PL 26735687 A PL26735687 A PL 26735687A PL 26735687 A PL26735687 A PL 26735687A PL 267356 A1 PL267356 A1 PL 267356A1
Authority
PL
Poland
Prior art keywords
self
roof supports
supports unit
advancing roof
advancing
Prior art date
Application number
PL26735687A
Other versions
PL154933B1 (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 PL26735687A priority Critical patent/PL154933B1/en
Publication of PL267356A1 publication Critical patent/PL267356A1/en
Publication of PL154933B1 publication Critical patent/PL154933B1/en

Links

PL26735687A 1987-08-14 1987-08-14 Self-advancing roof support unit PL154933B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL26735687A PL154933B1 (en) 1987-08-14 1987-08-14 Self-advancing roof support unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL26735687A PL154933B1 (en) 1987-08-14 1987-08-14 Self-advancing roof support unit

Publications (2)

Publication Number Publication Date
PL267356A1 true PL267356A1 (en) 1989-02-20
PL154933B1 PL154933B1 (en) 1991-09-30

Family

ID=20037781

Family Applications (1)

Application Number Title Priority Date Filing Date
PL26735687A PL154933B1 (en) 1987-08-14 1987-08-14 Self-advancing roof support unit

Country Status (1)

Country Link
PL (1) PL154933B1 (en)

Also Published As

Publication number Publication date
PL154933B1 (en) 1991-09-30

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