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Germany. improvements of upper pregel
Improvement of river stretch 29 km. long, including details of locks and movable bridges; driving of steel sheet piling and placing of concrete.
Germany. improvements of upper pregel
Improvement of river stretch 29 km. long, including details of locks and movable bridges; driving of steel sheet piling and placing of concrete.
Germany. improvements of upper pregel
Ausbau des Oberpregels Schmidt
Bautechnik ; 8
1930
6 pages
17 Figs.
Article (Journal)
German
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