PL112446B2 - Mechanized mining roof support assembly for winning coal over the entire bed thickness - Google Patents

Mechanized mining roof support assembly for winning coal over the entire bed thickness

Info

Publication number
PL112446B2
PL112446B2 PL20683778A PL20683778A PL112446B2 PL 112446 B2 PL112446 B2 PL 112446B2 PL 20683778 A PL20683778 A PL 20683778A PL 20683778 A PL20683778 A PL 20683778A PL 112446 B2 PL112446 B2 PL 112446B2
Authority
PL
Poland
Prior art keywords
support assembly
roof support
bed thickness
mechanized mining
entire bed
Prior art date
Application number
PL20683778A
Other versions
PL206837A1 (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 PL20683778A priority Critical patent/PL112446B2/en
Publication of PL206837A1 publication Critical patent/PL206837A1/en
Publication of PL112446B2 publication Critical patent/PL112446B2/en

Links

PL20683778A 1978-05-15 1978-05-15 Mechanized mining roof support assembly for winning coal over the entire bed thickness PL112446B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL20683778A PL112446B2 (en) 1978-05-15 1978-05-15 Mechanized mining roof support assembly for winning coal over the entire bed thickness

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL20683778A PL112446B2 (en) 1978-05-15 1978-05-15 Mechanized mining roof support assembly for winning coal over the entire bed thickness

Publications (2)

Publication Number Publication Date
PL206837A1 PL206837A1 (en) 1979-04-23
PL112446B2 true PL112446B2 (en) 1980-10-31

Family

ID=19989279

Family Applications (1)

Application Number Title Priority Date Filing Date
PL20683778A PL112446B2 (en) 1978-05-15 1978-05-15 Mechanized mining roof support assembly for winning coal over the entire bed thickness

Country Status (1)

Country Link
PL (1) PL112446B2 (en)

Also Published As

Publication number Publication date
PL206837A1 (en) 1979-04-23

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