The only comprehensive illustrated history of Frank N. Piasecki and his H-21 advanced technology helicopter. The Piasecki H-21 became the first successful tandem-rotor cargo helicopter to enter mass...
The Piasecki H-21 Helicopter: An Illustrated History of the H-21 Helicopter and Its Designer, Frank N. Piasecki
- 作者： Robert J. Brandt ; William J. Davies
- 出版社： Trafford Publishing
- 出版日期： 2007-10-31
- ISBN碼： 9781425137076
- 編號： 1001294884136724
$ 582 元
原價 685
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$582