The History of the Helicopter (1952)
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预告片 | HD | 20 分钟 |
A documentary tracing the development of the helicopter from the original Da Vinci drawings to the modern versions actually in service in 1951.
类型: Documentary
投: Tom Shirley
船员: Sarah Erulkar (Director), Sidney Beadle (Camera Operator), F. W. Bryant (Editor)
Subtitle:
ETC.
