PL287193A1 - Artificial safety pillar - Google Patents

Artificial safety pillar

Info

Publication number
PL287193A1
PL287193A1 PL28719390A PL28719390A PL287193A1 PL 287193 A1 PL287193 A1 PL 287193A1 PL 28719390 A PL28719390 A PL 28719390A PL 28719390 A PL28719390 A PL 28719390A PL 287193 A1 PL287193 A1 PL 287193A1
Authority
PL
Poland
Prior art keywords
safety pillar
artificial safety
artificial
pillar
safety
Prior art date
Application number
PL28719390A
Other versions
PL162979B1 (en
Inventor
Stanislaw Zadlo
Tadeusz Magonski
Adam Pietras
Original Assignee
Staszic Kopalnia Wegla Kamienn
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 Staszic Kopalnia Wegla Kamienn filed Critical Staszic Kopalnia Wegla Kamienn
Priority to PL28719390A priority Critical patent/PL162979B1/en
Publication of PL287193A1 publication Critical patent/PL287193A1/en
Publication of PL162979B1 publication Critical patent/PL162979B1/en

Links

PL28719390A 1990-10-05 1990-10-05 Protective pile for the longwall excavation PL162979B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL28719390A PL162979B1 (en) 1990-10-05 1990-10-05 Protective pile for the longwall excavation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL28719390A PL162979B1 (en) 1990-10-05 1990-10-05 Protective pile for the longwall excavation

Publications (2)

Publication Number Publication Date
PL287193A1 true PL287193A1 (en) 1992-04-06
PL162979B1 PL162979B1 (en) 1994-01-31

Family

ID=20052512

Family Applications (1)

Application Number Title Priority Date Filing Date
PL28719390A PL162979B1 (en) 1990-10-05 1990-10-05 Protective pile for the longwall excavation

Country Status (1)

Country Link
PL (1) PL162979B1 (en)

Also Published As

Publication number Publication date
PL162979B1 (en) 1994-01-31

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