PL117806B2 - Mining roof-support - Google Patents

Mining roof-support

Info

Publication number
PL117806B2
PL117806B2 PL21036778A PL21036778A PL117806B2 PL 117806 B2 PL117806 B2 PL 117806B2 PL 21036778 A PL21036778 A PL 21036778A PL 21036778 A PL21036778 A PL 21036778A PL 117806 B2 PL117806 B2 PL 117806B2
Authority
PL
Poland
Prior art keywords
support
mining roof
mining
roof
Prior art date
Application number
PL21036778A
Other versions
PL210367A1 (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 PL21036778A priority Critical patent/PL117806B2/en
Publication of PL210367A1 publication Critical patent/PL210367A1/en
Publication of PL117806B2 publication Critical patent/PL117806B2/en

Links

PL21036778A 1978-10-17 1978-10-17 Mining roof-support PL117806B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL21036778A PL117806B2 (en) 1978-10-17 1978-10-17 Mining roof-support

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL21036778A PL117806B2 (en) 1978-10-17 1978-10-17 Mining roof-support

Publications (2)

Publication Number Publication Date
PL210367A1 PL210367A1 (en) 1979-09-24
PL117806B2 true PL117806B2 (en) 1981-08-31

Family

ID=19992099

Family Applications (1)

Application Number Title Priority Date Filing Date
PL21036778A PL117806B2 (en) 1978-10-17 1978-10-17 Mining roof-support

Country Status (1)

Country Link
PL (1) PL117806B2 (en)

Also Published As

Publication number Publication date
PL210367A1 (en) 1979-09-24

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