Effect of stepping up schedule on total time of cruise; on short flights in Europe time spent on ground is often as much as that spent in air; means for reducing ground time.
Saving of time in European air transportation
Vom Zeithaushalt der Luftreise im europaeischen Verkehr
Verein Deutscher Ingenieure -- VDI Zeitschrift ; 93 , n 28
1951
5 pages
Aufsatz (Zeitschrift)
Deutsch
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Energy-saving integrated wall panel transportation device
Europäisches Patentamt | 2020
|Engineering Index Backfile | 1927
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