PL55595Y1 - Lemniscate-type roof supports adapted for use while filling abandoned workings with stones - Google Patents

Lemniscate-type roof supports adapted for use while filling abandoned workings with stones

Info

Publication number
PL55595Y1
PL55595Y1 PL9907793U PL9907793U PL55595Y1 PL 55595 Y1 PL55595 Y1 PL 55595Y1 PL 9907793 U PL9907793 U PL 9907793U PL 9907793 U PL9907793 U PL 9907793U PL 55595 Y1 PL55595 Y1 PL 55595Y1
Authority
PL
Poland
Prior art keywords
lemniscate
stones
type roof
roof supports
supports adapted
Prior art date
Application number
PL9907793U
Inventor
Tadeusz Janusz
Jan Matuszyk
Original Assignee
Tadeusz Janusz
Jan Matuszyk
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 Tadeusz Janusz, Jan Matuszyk filed Critical Tadeusz Janusz
Priority to PL9907793U priority Critical patent/PL55595Y1/en
Publication of PL55595Y1 publication Critical patent/PL55595Y1/en

Links

PL9907793U 1993-11-16 1993-11-16 Lemniscate-type roof supports adapted for use while filling abandoned workings with stones PL55595Y1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL9907793U PL55595Y1 (en) 1993-11-16 1993-11-16 Lemniscate-type roof supports adapted for use while filling abandoned workings with stones

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL9907793U PL55595Y1 (en) 1993-11-16 1993-11-16 Lemniscate-type roof supports adapted for use while filling abandoned workings with stones

Publications (1)

Publication Number Publication Date
PL55595Y1 true PL55595Y1 (en) 1997-11-28

Family

ID=19938391

Family Applications (1)

Application Number Title Priority Date Filing Date
PL9907793U PL55595Y1 (en) 1993-11-16 1993-11-16 Lemniscate-type roof supports adapted for use while filling abandoned workings with stones

Country Status (1)

Country Link
PL (1) PL55595Y1 (en)

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