PL317285A1 - Dog-heading roof supports - Google Patents

Dog-heading roof supports

Info

Publication number
PL317285A1
PL317285A1 PL31728596A PL31728596A PL317285A1 PL 317285 A1 PL317285 A1 PL 317285A1 PL 31728596 A PL31728596 A PL 31728596A PL 31728596 A PL31728596 A PL 31728596A PL 317285 A1 PL317285 A1 PL 317285A1
Authority
PL
Poland
Prior art keywords
dog
roof supports
heading
heading roof
supports
Prior art date
Application number
PL31728596A
Inventor
Edward Kowalski
Stanislaw Labonski
Waldemar Kluba
Jan Perek
Kazimierz Rulka
Bohdan Sawka
Ireneusz Serwotka
Wieslaw Wojciechowski
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 PL31728596A priority Critical patent/PL317285A1/en
Publication of PL317285A1 publication Critical patent/PL317285A1/en

Links

PL31728596A 1996-11-28 1996-11-28 Dog-heading roof supports PL317285A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL31728596A PL317285A1 (en) 1996-11-28 1996-11-28 Dog-heading roof supports

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL31728596A PL317285A1 (en) 1996-11-28 1996-11-28 Dog-heading roof supports

Publications (1)

Publication Number Publication Date
PL317285A1 true PL317285A1 (en) 1998-06-08

Family

ID=20068743

Family Applications (1)

Application Number Title Priority Date Filing Date
PL31728596A PL317285A1 (en) 1996-11-28 1996-11-28 Dog-heading roof supports

Country Status (1)

Country Link
PL (1) PL317285A1 (en)

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