PL254521A1 - Self-advancing roof support advancement apparatus - Google Patents

Self-advancing roof support advancement apparatus

Info

Publication number
PL254521A1
PL254521A1 PL25452185A PL25452185A PL254521A1 PL 254521 A1 PL254521 A1 PL 254521A1 PL 25452185 A PL25452185 A PL 25452185A PL 25452185 A PL25452185 A PL 25452185A PL 254521 A1 PL254521 A1 PL 254521A1
Authority
PL
Poland
Prior art keywords
self
roof support
advancement apparatus
advancing roof
support advancement
Prior art date
Application number
PL25452185A
Other versions
PL144547B1 (en
Inventor
Henryk Zych
Marek Flak
Adolf Drewniak
Stefan Nowaczyk
Original Assignee
Polmag
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 Polmag filed Critical Polmag
Priority to PL25452185A priority Critical patent/PL144547B1/en
Publication of PL254521A1 publication Critical patent/PL254521A1/en
Publication of PL144547B1 publication Critical patent/PL144547B1/en

Links

PL25452185A 1985-07-11 1985-07-11 Apparatus for displacing self-advancing roof-supports PL144547B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL25452185A PL144547B1 (en) 1985-07-11 1985-07-11 Apparatus for displacing self-advancing roof-supports

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL25452185A PL144547B1 (en) 1985-07-11 1985-07-11 Apparatus for displacing self-advancing roof-supports

Publications (2)

Publication Number Publication Date
PL254521A1 true PL254521A1 (en) 1987-02-09
PL144547B1 PL144547B1 (en) 1988-06-30

Family

ID=20027576

Family Applications (1)

Application Number Title Priority Date Filing Date
PL25452185A PL144547B1 (en) 1985-07-11 1985-07-11 Apparatus for displacing self-advancing roof-supports

Country Status (1)

Country Link
PL (1) PL144547B1 (en)

Also Published As

Publication number Publication date
PL144547B1 (en) 1988-06-30

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