Disambiguation evidence for Rolls-Royce 250-C47B turboshaft via surface form

"Rolls-Royce 250-C47B turboshaft"

Triples (1)

Triples where some other subject referred to this entity as "Rolls-Royce 250-C47B turboshaft".

Bell 407 → powerplant →
"Rolls-Royce 250-C47B turboshaft"
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