The support tube portions, fan blades, fan blade portions, winglets, winglet portions, upper plates, retainers, and fasteners shown in broken lines are unclaimed environment, and form no part of the claimed design.
The support tube portions, fan blades, fan blade portions, winglets, winglet portions, upper plates, retainers, and fasteners shown in broken lines are unclaimed environment, and form no part of the claimed design.
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Number | Date | Country |
---|---|---|
WO 2009100052 | Aug 2009 | WO |