Disambiguation evidence for Pratt & Whitney R-2800 Double Wasp via surface form

"Pratt & Whitney R‑2800 radial engines"

Triples (1)

Triples where some other subject referred to this entity as "Pratt & Whitney R‑2800 radial engines".

Convair 580 → powerplantUpgradeFrom →
"Pratt & Whitney R‑2800 radial engines"
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