İngilizce | Almanca | |
---|---|---|
Patent | ||
Patent | steel sleeper | Stahlschwelle |
İngilizce | Almanca | |
---|---|---|
Patent | ||
Patent | longitudinal steel sleeper | Stahllängsschwelle |
Patent | longitudinal steel sleeper construction of railway | Stahllängsschwelle von Eisenbahnbau |
Patent | steel sleeper grating | Stahlschwellenrost |
Patent | steel sleeper construction of railways | Stahlschwelle von Eisenbahnbau |