PL112110B2 - Roof breaker in the form of short friction-type prop - Google Patents

Roof breaker in the form of short friction-type prop

Info

Publication number
PL112110B2
PL112110B2 PL21030478A PL21030478A PL112110B2 PL 112110 B2 PL112110 B2 PL 112110B2 PL 21030478 A PL21030478 A PL 21030478A PL 21030478 A PL21030478 A PL 21030478A PL 112110 B2 PL112110 B2 PL 112110B2
Authority
PL
Poland
Prior art keywords
breaker
roof
type prop
short friction
friction
Prior art date
Application number
PL21030478A
Other versions
PL210304A1 (en
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 filed Critical
Priority to PL21030478A priority Critical patent/PL112110B2/en
Publication of PL210304A1 publication Critical patent/PL210304A1/en
Publication of PL112110B2 publication Critical patent/PL112110B2/en

Links

PL21030478A 1978-10-14 1978-10-14 Roof breaker in the form of short friction-type prop PL112110B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL21030478A PL112110B2 (en) 1978-10-14 1978-10-14 Roof breaker in the form of short friction-type prop

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL21030478A PL112110B2 (en) 1978-10-14 1978-10-14 Roof breaker in the form of short friction-type prop

Publications (2)

Publication Number Publication Date
PL210304A1 PL210304A1 (en) 1979-08-13
PL112110B2 true PL112110B2 (en) 1980-09-30

Family

ID=19992041

Family Applications (1)

Application Number Title Priority Date Filing Date
PL21030478A PL112110B2 (en) 1978-10-14 1978-10-14 Roof breaker in the form of short friction-type prop

Country Status (1)

Country Link
PL (1) PL112110B2 (en)

Also Published As

Publication number Publication date
PL210304A1 (en) 1979-08-13

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