PL346810A1 - Self-advancing roof supports - Google Patents

Self-advancing roof supports

Info

Publication number
PL346810A1
PL346810A1 PL34681001A PL34681001A PL346810A1 PL 346810 A1 PL346810 A1 PL 346810A1 PL 34681001 A PL34681001 A PL 34681001A PL 34681001 A PL34681001 A PL 34681001A PL 346810 A1 PL346810 A1 PL 346810A1
Authority
PL
Poland
Prior art keywords
self
roof supports
advancing roof
advancing
supports
Prior art date
Application number
PL34681001A
Other versions
PL193925B1 (en
Inventor
Zbigniew Cieslak
Jan Lenard
Dariusz Jenczmyk
Jacek Gerlich
Original Assignee
Ct Kt Maszyn Gorniczych Komag
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 Ct Kt Maszyn Gorniczych Komag filed Critical Ct Kt Maszyn Gorniczych Komag
Priority to PL346810A priority Critical patent/PL193925B1/en
Publication of PL346810A1 publication Critical patent/PL346810A1/en
Publication of PL193925B1 publication Critical patent/PL193925B1/en

Links

PL346810A 2001-03-30 2001-03-30 Self-advancing roof supports PL193925B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL346810A PL193925B1 (en) 2001-03-30 2001-03-30 Self-advancing roof supports

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL346810A PL193925B1 (en) 2001-03-30 2001-03-30 Self-advancing roof supports

Publications (2)

Publication Number Publication Date
PL346810A1 true PL346810A1 (en) 2002-10-07
PL193925B1 PL193925B1 (en) 2007-04-30

Family

ID=20078538

Family Applications (1)

Application Number Title Priority Date Filing Date
PL346810A PL193925B1 (en) 2001-03-30 2001-03-30 Self-advancing roof supports

Country Status (1)

Country Link
PL (1) PL193925B1 (en)

Also Published As

Publication number Publication date
PL193925B1 (en) 2007-04-30

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Legal Events

Date Code Title Description
RECP Rectifications of patent specification
LAPS Decisions on the lapse of the protection rights

Effective date: 20130330