PL269214A1 - Self-advancing roof supports hydraulic system - Google Patents

Self-advancing roof supports hydraulic system

Info

Publication number
PL269214A1
PL269214A1 PL26921487A PL26921487A PL269214A1 PL 269214 A1 PL269214 A1 PL 269214A1 PL 26921487 A PL26921487 A PL 26921487A PL 26921487 A PL26921487 A PL 26921487A PL 269214 A1 PL269214 A1 PL 269214A1
Authority
PL
Poland
Prior art keywords
self
hydraulic system
roof supports
advancing roof
supports hydraulic
Prior art date
Application number
PL26921487A
Inventor
Franciszek Kusz
Kazimierz Slawek
Stanislaw Gajewski
Jerzy Drozdowski
Original Assignee
Kopalnia Wegla Kamiennego Zabr
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 Kopalnia Wegla Kamiennego Zabr filed Critical Kopalnia Wegla Kamiennego Zabr
Priority to PL26921487A priority Critical patent/PL269214A1/en
Publication of PL269214A1 publication Critical patent/PL269214A1/en

Links

PL26921487A 1987-12-02 1987-12-02 Self-advancing roof supports hydraulic system PL269214A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL26921487A PL269214A1 (en) 1987-12-02 1987-12-02 Self-advancing roof supports hydraulic system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL26921487A PL269214A1 (en) 1987-12-02 1987-12-02 Self-advancing roof supports hydraulic system

Publications (1)

Publication Number Publication Date
PL269214A1 true PL269214A1 (en) 1989-06-12

Family

ID=20039335

Family Applications (1)

Application Number Title Priority Date Filing Date
PL26921487A PL269214A1 (en) 1987-12-02 1987-12-02 Self-advancing roof supports hydraulic system

Country Status (1)

Country Link
PL (1) PL269214A1 (en)

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