AU258911A - Rings for tunnels - Google Patents

Rings for tunnels

Info

Publication number
AU258911A
AU258911A AU2589/11A AU258911A AU258911A AU 258911 A AU258911 A AU 258911A AU 2589/11 A AU2589/11 A AU 2589/11A AU 258911 A AU258911 A AU 258911A AU 258911 A AU258911 A AU 258911A
Authority
AU
Australia
Prior art keywords
tunnels
rings
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
AU2589/11A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Gutbhoffnongshutte Aktiexvekkix fur Berceau und Huttenbetrieb
Original Assignee
Gutbhoffnongshutte Aktiexvekkix fur Berceau und Huttenbetrieb
Filing date
Publication date
Application filed by Gutbhoffnongshutte Aktiexvekkix fur Berceau und Huttenbetrieb filed Critical Gutbhoffnongshutte Aktiexvekkix fur Berceau und Huttenbetrieb
Publication of AU258911A publication Critical patent/AU258911A/en
Expired legal-status Critical Current

Links

AU2589/11A 1911-09-25 Rings for tunnels Expired AU258911A (en)

Publications (1)

Publication Number Publication Date
AU258911A true AU258911A (en) 1912-03-26

Family

ID=

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