PL237974A1 - Trench lagging - Google Patents

Trench lagging

Info

Publication number
PL237974A1
PL237974A1 PL23797482A PL23797482A PL237974A1 PL 237974 A1 PL237974 A1 PL 237974A1 PL 23797482 A PL23797482 A PL 23797482A PL 23797482 A PL23797482 A PL 23797482A PL 237974 A1 PL237974 A1 PL 237974A1
Authority
PL
Poland
Prior art keywords
lagging
trench
trench lagging
Prior art date
Application number
PL23797482A
Other versions
PL136950B1 (en
Inventor
Jerzy Zajbert
Michal Sandowicz
Krzysztof Wiaderak
Wieslaw Bitny
Original Assignee
Politechnika Warszawska
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 Politechnika Warszawska filed Critical Politechnika Warszawska
Priority to PL23797482A priority Critical patent/PL136950B1/en
Publication of PL237974A1 publication Critical patent/PL237974A1/en
Publication of PL136950B1 publication Critical patent/PL136950B1/en

Links

PL23797482A 1982-08-20 1982-08-20 Trench lagging PL136950B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL23797482A PL136950B1 (en) 1982-08-20 1982-08-20 Trench lagging

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL23797482A PL136950B1 (en) 1982-08-20 1982-08-20 Trench lagging

Publications (2)

Publication Number Publication Date
PL237974A1 true PL237974A1 (en) 1984-02-27
PL136950B1 PL136950B1 (en) 1986-04-30

Family

ID=20013833

Family Applications (1)

Application Number Title Priority Date Filing Date
PL23797482A PL136950B1 (en) 1982-08-20 1982-08-20 Trench lagging

Country Status (1)

Country Link
PL (1) PL136950B1 (en)

Also Published As

Publication number Publication date
PL136950B1 (en) 1986-04-30

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