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Aufbau Straenbrcke Schema.svg Schematischer Aufbau einer dreispurigen Straenbrcke own original text selbstgezeichnet Cepheiden Bild Aufabu Straenbrcke Schema svg original upload log page de AufbauStra Fenbr BCcke Schema svg Cepheiden bytes no Cepheiden bytes no Cepheiden bytes no Korrekturen Cepheiden bytes