PL281776A1 - Apparatus for measuring roof displacements - Google Patents

Apparatus for measuring roof displacements

Info

Publication number
PL281776A1
PL281776A1 PL28177689A PL28177689A PL281776A1 PL 281776 A1 PL281776 A1 PL 281776A1 PL 28177689 A PL28177689 A PL 28177689A PL 28177689 A PL28177689 A PL 28177689A PL 281776 A1 PL281776 A1 PL 281776A1
Authority
PL
Poland
Prior art keywords
displacements
measuring roof
roof
measuring
roof displacements
Prior art date
Application number
PL28177689A
Inventor
Zygmunt Jeszka
Czeslaw Szatan
Andrzej Bojko
Janusz Niechwiadowicz
Edward Praski
Bogdan Drzegniuk
Jan Pielok
Zdzislaw Kulczycki
Tadeusz Zolkiewski
Zbigniew Penar
Edward Kotula
Original Assignee
Przed Eksploatacji Wegla Polno
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 Przed Eksploatacji Wegla Polno filed Critical Przed Eksploatacji Wegla Polno
Priority to PL28177689A priority Critical patent/PL281776A1/en
Publication of PL281776A1 publication Critical patent/PL281776A1/en

Links

PL28177689A 1989-10-09 1989-10-09 Apparatus for measuring roof displacements PL281776A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL28177689A PL281776A1 (en) 1989-10-09 1989-10-09 Apparatus for measuring roof displacements

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL28177689A PL281776A1 (en) 1989-10-09 1989-10-09 Apparatus for measuring roof displacements

Publications (1)

Publication Number Publication Date
PL281776A1 true PL281776A1 (en) 1991-04-22

Family

ID=20048874

Family Applications (1)

Application Number Title Priority Date Filing Date
PL28177689A PL281776A1 (en) 1989-10-09 1989-10-09 Apparatus for measuring roof displacements

Country Status (1)

Country Link
PL (1) PL281776A1 (en)

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