USPC 416/123

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USPC 416/123 is a category of propeller (impeller) technologies in patents.[1]

For detailed discussion, see page about parent category USPC 416/120. This wiki has 9 patents in category "USPC 416/123".

Patents in category USPC 416/123

References

Enclosing categories USPC 416/120
Subcategories
Keywords Propulsion, Propeller, Impeller
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