PL284263A1 - Roof supports for longwall headings - Google Patents

Roof supports for longwall headings

Info

Publication number
PL284263A1
PL284263A1 PL28426390A PL28426390A PL284263A1 PL 284263 A1 PL284263 A1 PL 284263A1 PL 28426390 A PL28426390 A PL 28426390A PL 28426390 A PL28426390 A PL 28426390A PL 284263 A1 PL284263 A1 PL 284263A1
Authority
PL
Poland
Prior art keywords
roof supports
longwall
headings
longwall headings
roof
Prior art date
Application number
PL28426390A
Other versions
PL161704B1 (en
Inventor
Mieczyslaw Socha
Stanislaw Klimkowski
Original Assignee
Polmag Emag Przed Mechanizacji
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 Polmag Emag Przed Mechanizacji filed Critical Polmag Emag Przed Mechanizacji
Priority to PL28426390A priority Critical patent/PL161704B1/en
Publication of PL284263A1 publication Critical patent/PL284263A1/en
Publication of PL161704B1 publication Critical patent/PL161704B1/en

Links

PL28426390A 1990-03-12 1990-03-12 Wall-mounted mining housing PL161704B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL28426390A PL161704B1 (en) 1990-03-12 1990-03-12 Wall-mounted mining housing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL28426390A PL161704B1 (en) 1990-03-12 1990-03-12 Wall-mounted mining housing

Publications (2)

Publication Number Publication Date
PL284263A1 true PL284263A1 (en) 1991-09-23
PL161704B1 PL161704B1 (en) 1993-07-30

Family

ID=20050583

Family Applications (1)

Application Number Title Priority Date Filing Date
PL28426390A PL161704B1 (en) 1990-03-12 1990-03-12 Wall-mounted mining housing

Country Status (1)

Country Link
PL (1) PL161704B1 (en)

Also Published As

Publication number Publication date
PL161704B1 (en) 1993-07-30

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