PL112169B2 - Method of safeguarding breaches in the roof of a heading under exploitation - Google Patents

Method of safeguarding breaches in the roof of a heading under exploitation

Info

Publication number
PL112169B2
PL112169B2 PL20795978A PL20795978A PL112169B2 PL 112169 B2 PL112169 B2 PL 112169B2 PL 20795978 A PL20795978 A PL 20795978A PL 20795978 A PL20795978 A PL 20795978A PL 112169 B2 PL112169 B2 PL 112169B2
Authority
PL
Poland
Prior art keywords
breaches
safeguarding
roof
under exploitation
heading under
Prior art date
Application number
PL20795978A
Other versions
PL207959A1 (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 PL20795978A priority Critical patent/PL112169B2/en
Publication of PL207959A1 publication Critical patent/PL207959A1/en
Publication of PL112169B2 publication Critical patent/PL112169B2/en

Links

PL20795978A 1978-06-26 1978-06-26 Method of safeguarding breaches in the roof of a heading under exploitation PL112169B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL20795978A PL112169B2 (en) 1978-06-26 1978-06-26 Method of safeguarding breaches in the roof of a heading under exploitation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL20795978A PL112169B2 (en) 1978-06-26 1978-06-26 Method of safeguarding breaches in the roof of a heading under exploitation

Publications (2)

Publication Number Publication Date
PL207959A1 PL207959A1 (en) 1979-05-07
PL112169B2 true PL112169B2 (en) 1980-09-30

Family

ID=19990205

Family Applications (1)

Application Number Title Priority Date Filing Date
PL20795978A PL112169B2 (en) 1978-06-26 1978-06-26 Method of safeguarding breaches in the roof of a heading under exploitation

Country Status (1)

Country Link
PL (1) PL112169B2 (en)

Also Published As

Publication number Publication date
PL207959A1 (en) 1979-05-07

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