Reconstruction of collapsed portion of railroad tunnel No. 31 along new Trans-Iranian railroad; cost data.
Reconstruction of collapsed portion of railroad tunnel No. 31 along new Trans-Iranian railroad
Wiederherstellung einer Verbruchstrecke im Tunnel Nr. 31 der Elburs-Nordrampe
Bautechnik ; 15 , n 50 ; p 649-654
1937
6 pages
Aufsatz (Zeitschrift)
Deutsch
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Reconstruction of collapsed portion of railroad tunnel No. 31 along new Trans-Iranian railroad
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