PL270073A1 - Shield self-advancing roof supports - Google Patents

Shield self-advancing roof supports

Info

Publication number
PL270073A1
PL270073A1 PL27007388A PL27007388A PL270073A1 PL 270073 A1 PL270073 A1 PL 270073A1 PL 27007388 A PL27007388 A PL 27007388A PL 27007388 A PL27007388 A PL 27007388A PL 270073 A1 PL270073 A1 PL 270073A1
Authority
PL
Poland
Prior art keywords
roof supports
advancing roof
shield self
shield
self
Prior art date
Application number
PL27007388A
Other versions
PL156429B1 (en
Inventor
Stanislaw Romanowicz
Franciszek Podlesny
Marek Flak
Hubert Anczok
Kornel Plender
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 PL27007388A priority Critical patent/PL156429B1/en
Publication of PL270073A1 publication Critical patent/PL270073A1/en
Publication of PL156429B1 publication Critical patent/PL156429B1/en

Links

PL27007388A 1988-01-08 1988-01-08 Mining casing of the support with a thistle PL156429B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL27007388A PL156429B1 (en) 1988-01-08 1988-01-08 Mining casing of the support with a thistle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL27007388A PL156429B1 (en) 1988-01-08 1988-01-08 Mining casing of the support with a thistle

Publications (2)

Publication Number Publication Date
PL270073A1 true PL270073A1 (en) 1989-07-10
PL156429B1 PL156429B1 (en) 1992-03-31

Family

ID=20040103

Family Applications (1)

Application Number Title Priority Date Filing Date
PL27007388A PL156429B1 (en) 1988-01-08 1988-01-08 Mining casing of the support with a thistle

Country Status (1)

Country Link
PL (1) PL156429B1 (en)

Also Published As

Publication number Publication date
PL156429B1 (en) 1992-03-31

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