PL298461A1 - Lemniscate type self-advancing roof supports - Google Patents

Lemniscate type self-advancing roof supports

Info

Publication number
PL298461A1
PL298461A1 PL29846193A PL29846193A PL298461A1 PL 298461 A1 PL298461 A1 PL 298461A1 PL 29846193 A PL29846193 A PL 29846193A PL 29846193 A PL29846193 A PL 29846193A PL 298461 A1 PL298461 A1 PL 298461A1
Authority
PL
Poland
Prior art keywords
type self
roof supports
advancing roof
lemniscate
lemniscate type
Prior art date
Application number
PL29846193A
Other versions
PL170361B1 (en
Inventor
Jan Gawenda
Hubert Pelka
Wincenty Pretor
Pawel Kaldonek
Henryk Izydorczyk
Hubert Anczok
Original Assignee
Tagor Tarnogorska Fabryka Urza
Ct Kt Maszyn Gorniczych Komag
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 Tagor Tarnogorska Fabryka Urza, Ct Kt Maszyn Gorniczych Komag filed Critical Tagor Tarnogorska Fabryka Urza
Priority to PL29846193A priority Critical patent/PL170361B1/en
Publication of PL298461A1 publication Critical patent/PL298461A1/en
Publication of PL170361B1 publication Critical patent/PL170361B1/en

Links

PL29846193A 1993-04-07 1993-04-07 Lemniscate type self-advancing roof supports PL170361B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL29846193A PL170361B1 (en) 1993-04-07 1993-04-07 Lemniscate type self-advancing roof supports

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL29846193A PL170361B1 (en) 1993-04-07 1993-04-07 Lemniscate type self-advancing roof supports

Publications (2)

Publication Number Publication Date
PL298461A1 true PL298461A1 (en) 1993-11-02
PL170361B1 PL170361B1 (en) 1996-12-31

Family

ID=20059880

Family Applications (1)

Application Number Title Priority Date Filing Date
PL29846193A PL170361B1 (en) 1993-04-07 1993-04-07 Lemniscate type self-advancing roof supports

Country Status (1)

Country Link
PL (1) PL170361B1 (en)

Also Published As

Publication number Publication date
PL170361B1 (en) 1996-12-31

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