Category:Duoblock sleepers
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English: Duoblock sleepers, as used in the Netherlands and Germany. Concrete blocks under each rail fixing are joined by pipes, either steel or as plastic formers for a lighter concrete section.
Nederlands: Dwarsligger
Media in category "Duoblock sleepers"
The following 2 files are in this category, out of 2 total.
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NS dwarsliggers.JPG 4,288 × 2,848; 8.84 MB
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Zweiblockschwellen U-Bahn Oberursel.jpg 2,048 × 1,536; 1.62 MB