DEVELOPMENT OF THE PIPER TWIN ENGINE APACHE
Sae Technical Papers
Pre-1964 SAE Technical Papers ; 1906
01.01.1954
Aufsatz (Konferenz)
Englisch
Piper PA-23: Alemannischer Apache
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Twin engineered from Navio-piper parts
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Oxy details Piper field development
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Apache wins over Tiger, Netherlands' Apache choice examined
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