PL256571A1 - Extendable roof cap of self-advancing roof support - Google Patents

Extendable roof cap of self-advancing roof support

Info

Publication number
PL256571A1
PL256571A1 PL25657185A PL25657185A PL256571A1 PL 256571 A1 PL256571 A1 PL 256571A1 PL 25657185 A PL25657185 A PL 25657185A PL 25657185 A PL25657185 A PL 25657185A PL 256571 A1 PL256571 A1 PL 256571A1
Authority
PL
Poland
Prior art keywords
roof
self
extendable
advancing
cap
Prior art date
Application number
PL25657185A
Other versions
PL149070B1 (en
Inventor
Jerzy Cieslik
Ginter Grzesik
Jacek Cholewa
Jerzy Rochnia
Jozef Dulski
Leon Motyka
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 PL25657185A priority Critical patent/PL149070B1/en
Publication of PL256571A1 publication Critical patent/PL256571A1/en
Publication of PL149070B1 publication Critical patent/PL149070B1/en

Links

PL25657185A 1985-12-13 1985-12-13 Extendable roof cap of self-advancing roof support PL149070B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL25657185A PL149070B1 (en) 1985-12-13 1985-12-13 Extendable roof cap of self-advancing roof support

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL25657185A PL149070B1 (en) 1985-12-13 1985-12-13 Extendable roof cap of self-advancing roof support

Publications (2)

Publication Number Publication Date
PL256571A1 true PL256571A1 (en) 1987-07-27
PL149070B1 PL149070B1 (en) 1990-01-31

Family

ID=20029286

Family Applications (1)

Application Number Title Priority Date Filing Date
PL25657185A PL149070B1 (en) 1985-12-13 1985-12-13 Extendable roof cap of self-advancing roof support

Country Status (1)

Country Link
PL (1) PL149070B1 (en)

Also Published As

Publication number Publication date
PL149070B1 (en) 1990-01-31

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