PL339192A1 - Self-advancing roof supports - Google Patents

Self-advancing roof supports

Info

Publication number
PL339192A1
PL339192A1 PL33919200A PL33919200A PL339192A1 PL 339192 A1 PL339192 A1 PL 339192A1 PL 33919200 A PL33919200 A PL 33919200A PL 33919200 A PL33919200 A PL 33919200A PL 339192 A1 PL339192 A1 PL 339192A1
Authority
PL
Poland
Prior art keywords
self
roof supports
advancing roof
advancing
supports
Prior art date
Application number
PL33919200A
Other versions
PL192870B1 (en
Inventor
Mieczyslaw Mikolajczyk
Jan Galuszka
Zbigniew Pluta
Stanislaw Patas
Original Assignee
Dbt Polska Sp Z Oo
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 Dbt Polska Sp Z Oo filed Critical Dbt Polska Sp Z Oo
Priority to PL339192A priority Critical patent/PL192870B1/en
Publication of PL339192A1 publication Critical patent/PL339192A1/en
Publication of PL192870B1 publication Critical patent/PL192870B1/en

Links

PL339192A 2000-03-22 2000-03-22 Self-advancing roof supports PL192870B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL339192A PL192870B1 (en) 2000-03-22 2000-03-22 Self-advancing roof supports

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL339192A PL192870B1 (en) 2000-03-22 2000-03-22 Self-advancing roof supports

Publications (2)

Publication Number Publication Date
PL339192A1 true PL339192A1 (en) 2001-09-24
PL192870B1 PL192870B1 (en) 2006-12-29

Family

ID=20076297

Family Applications (1)

Application Number Title Priority Date Filing Date
PL339192A PL192870B1 (en) 2000-03-22 2000-03-22 Self-advancing roof supports

Country Status (1)

Country Link
PL (1) PL192870B1 (en)

Also Published As

Publication number Publication date
PL192870B1 (en) 2006-12-29

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Legal Events

Date Code Title Description
LAPS Decisions on the lapse of the protection rights

Effective date: 20090322