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Home › Coaxial transmission/center hub subassembly for a rotor assembly having ducted, coaxial counter-rotating rotors

Coaxial transmission/center hub subassembly for a rotor assembly having ducted, coaxial counter-rotating rotors

US Patent 5351913 · Granted Oct 4, 1994

Estimated economic value: $5,424,000 ⓘ

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