PL249392A2 - Mechanized roof supports for mining steep coal deposits - Google Patents

Mechanized roof supports for mining steep coal deposits

Info

Publication number
PL249392A2
PL249392A2 PL24939284A PL24939284A PL249392A2 PL 249392 A2 PL249392 A2 PL 249392A2 PL 24939284 A PL24939284 A PL 24939284A PL 24939284 A PL24939284 A PL 24939284A PL 249392 A2 PL249392 A2 PL 249392A2
Authority
PL
Poland
Prior art keywords
roof supports
coal deposits
mechanized roof
steep coal
mining steep
Prior art date
Application number
PL24939284A
Other versions
PL141874B1 (en
Inventor
Boleslaw Lech
Jozef Lojas
Waldemar Stanik
Lucjan Maslanka
Original Assignee
Glowny Instytut Gornictwa
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 by Glowny Instytut Gornictwa filed Critical Glowny Instytut Gornictwa
Priority to PL24939284A priority Critical patent/PL141874B1/en
Publication of PL249392A2 publication Critical patent/PL249392A2/en
Publication of PL141874B1 publication Critical patent/PL141874B1/en

Links

PL24939284A 1984-08-28 1984-08-28 Mechanized roof supports for mining steep coal deposits PL141874B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL24939284A PL141874B1 (en) 1984-08-28 1984-08-28 Mechanized roof supports for mining steep coal deposits

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL24939284A PL141874B1 (en) 1984-08-28 1984-08-28 Mechanized roof supports for mining steep coal deposits

Publications (2)

Publication Number Publication Date
PL249392A2 true PL249392A2 (en) 1985-07-02
PL141874B1 PL141874B1 (en) 1987-09-30

Family

ID=20023235

Family Applications (1)

Application Number Title Priority Date Filing Date
PL24939284A PL141874B1 (en) 1984-08-28 1984-08-28 Mechanized roof supports for mining steep coal deposits

Country Status (1)

Country Link
PL (1) PL141874B1 (en)

Also Published As

Publication number Publication date
PL141874B1 (en) 1987-09-30

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