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Helicopter main rotor blade having a short span slot near the ti

Fluid reaction surfaces (i.e. – impellers) – With fluid passage in working member communicating with... – Air and watercraft propellers
Patent

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Hollow blade for hydraulic turbine or pump

Fluid reaction surfaces (i.e. – impellers) – With fluid passage in working member communicating with... – Air and watercraft propellers
Patent

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Hollow blade for hydraulic turbine or pump

Fluid reaction surfaces (i.e. – impellers) – With fluid passage in working member communicating with... – Air and watercraft propellers
Reexamination Certificate

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Hollow cooled blade or vane for a gas turbine engine

Fluid reaction surfaces (i.e. – impellers) – With fluid passage in working member communicating with... – Air and watercraft propellers
Patent

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Hollow rotor blade for the turbine of a gas turbine engine,...

Fluid reaction surfaces (i.e. – impellers) – With fluid passage in working member communicating with... – Discharge solely at periphery normal to rotation axis
Reexamination Certificate

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Hollow rotor blade for the turbine of a gas turbine engine,...

Fluid reaction surfaces (i.e. – impellers) – With fluid passage in working member communicating with... – Discharge solely at periphery normal to rotation axis
Reexamination Certificate

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Hybrid vane or blade for a fluid flow engine

Fluid reaction surfaces (i.e. – impellers) – With fluid passage in working member communicating with... – Discharge solely at periphery normal to rotation axis
Patent

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