USD188146S - Rotary wing aircraft - Google Patents

Rotary wing aircraft Download PDF

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Publication number
USD188146S
USD188146S US D188146 S USD188146 S US D188146S
Authority
US
United States
Prior art keywords
wing aircraft
rotary wing
page
elevational view
aircraft
Prior art date
Application number
Other languages
English (en)
Inventor
Leon L. Douglas
Original Assignee
Vertol Aircraft Corporation
Filing date
Publication date

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