PL236049A2 - Walking roof support for mines - Google Patents

Walking roof support for mines

Info

Publication number
PL236049A2
PL236049A2 PL23604982A PL23604982A PL236049A2 PL 236049 A2 PL236049 A2 PL 236049A2 PL 23604982 A PL23604982 A PL 23604982A PL 23604982 A PL23604982 A PL 23604982A PL 236049 A2 PL236049 A2 PL 236049A2
Authority
PL
Poland
Prior art keywords
mines
roof support
walking roof
walking
support
Prior art date
Application number
PL23604982A
Other versions
PL129934B2 (en
Inventor
Roman Ogrodniczek
Original Assignee
Gorniczo Hutniczy Miedzi
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 Gorniczo Hutniczy Miedzi filed Critical Gorniczo Hutniczy Miedzi
Priority to PL23604982A priority Critical patent/PL129934B2/en
Publication of PL236049A2 publication Critical patent/PL236049A2/en
Publication of PL129934B2 publication Critical patent/PL129934B2/en

Links

PL23604982A 1982-04-19 1982-04-19 Self-advancing roof supports PL129934B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL23604982A PL129934B2 (en) 1982-04-19 1982-04-19 Self-advancing roof supports

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL23604982A PL129934B2 (en) 1982-04-19 1982-04-19 Self-advancing roof supports

Publications (2)

Publication Number Publication Date
PL236049A2 true PL236049A2 (en) 1983-02-28
PL129934B2 PL129934B2 (en) 1984-06-30

Family

ID=20012268

Family Applications (1)

Application Number Title Priority Date Filing Date
PL23604982A PL129934B2 (en) 1982-04-19 1982-04-19 Self-advancing roof supports

Country Status (1)

Country Link
PL (1) PL129934B2 (en)

Also Published As

Publication number Publication date
PL129934B2 (en) 1984-06-30

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