PL263494A1 - Mining roof-bar - Google Patents

Mining roof-bar

Info

Publication number
PL263494A1
PL263494A1 PL26349486A PL26349486A PL263494A1 PL 263494 A1 PL263494 A1 PL 263494A1 PL 26349486 A PL26349486 A PL 26349486A PL 26349486 A PL26349486 A PL 26349486A PL 263494 A1 PL263494 A1 PL 263494A1
Authority
PL
Poland
Prior art keywords
bar
mining roof
mining
roof
Prior art date
Application number
PL26349486A
Other versions
PL152737B1 (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 PL26349486A priority Critical patent/PL152737B1/en
Publication of PL263494A1 publication Critical patent/PL263494A1/en
Publication of PL152737B1 publication Critical patent/PL152737B1/en

Links

PL26349486A 1986-12-31 1986-12-31 Mining roof-bar PL152737B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL26349486A PL152737B1 (en) 1986-12-31 1986-12-31 Mining roof-bar

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL26349486A PL152737B1 (en) 1986-12-31 1986-12-31 Mining roof-bar

Publications (2)

Publication Number Publication Date
PL263494A1 true PL263494A1 (en) 1988-08-04
PL152737B1 PL152737B1 (en) 1991-01-31

Family

ID=20034470

Family Applications (1)

Application Number Title Priority Date Filing Date
PL26349486A PL152737B1 (en) 1986-12-31 1986-12-31 Mining roof-bar

Country Status (1)

Country Link
PL (1) PL152737B1 (en)

Also Published As

Publication number Publication date
PL152737B1 (en) 1991-01-31

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