PL258158A2 - Guard for the upper prop - Google Patents

Guard for the upper prop

Info

Publication number
PL258158A2
PL258158A2 PL25815886A PL25815886A PL258158A2 PL 258158 A2 PL258158 A2 PL 258158A2 PL 25815886 A PL25815886 A PL 25815886A PL 25815886 A PL25815886 A PL 25815886A PL 258158 A2 PL258158 A2 PL 258158A2
Authority
PL
Poland
Prior art keywords
guard
upper prop
prop
Prior art date
Application number
PL25815886A
Other versions
PL142141B2 (en
Inventor
Miroslaw Bargiel
Bronislaw Malecki
Zenon Sebastian
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 PL25815886A priority Critical patent/PL142141B2/en
Publication of PL258158A2 publication Critical patent/PL258158A2/en
Publication of PL142141B2 publication Critical patent/PL142141B2/en

Links

PL25815886A 1986-02-27 1986-02-27 Guard for the upper prop PL142141B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL25815886A PL142141B2 (en) 1986-02-27 1986-02-27 Guard for the upper prop

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL25815886A PL142141B2 (en) 1986-02-27 1986-02-27 Guard for the upper prop

Publications (2)

Publication Number Publication Date
PL258158A2 true PL258158A2 (en) 1986-12-30
PL142141B2 PL142141B2 (en) 1987-09-30

Family

ID=20030628

Family Applications (1)

Application Number Title Priority Date Filing Date
PL25815886A PL142141B2 (en) 1986-02-27 1986-02-27 Guard for the upper prop

Country Status (1)

Country Link
PL (1) PL142141B2 (en)

Also Published As

Publication number Publication date
PL142141B2 (en) 1987-09-30

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