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DK23463C
(en)
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Adjustment device for Propellers with swivel blades.
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DK25352C
(en)
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Device by Propellers with Swivel Blades.
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AT82943B
(en)
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Adjusting device for propeller blades.
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DK26662C
(en)
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Bandsaw with swinging suspended blade.
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DK27536C
(en)
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Device by the Control Mechanism for Ship Screws with Swivel Blades.
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DK30439C
(en)
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Device for Adjusting the Curvature or Bevel of the Air Propeller Blade.
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DK22979C
(en)
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Device for Motor Boat Screws with Adjustable Blades.
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DK28171C
(en)
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Air propellers with blades in several planes.
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CH80862A
(en)
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razor blade
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FR519965A
(en)
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Adjustable propeller, possibly automatic
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DK22964C
(en)
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Wind engine with several wing sets.
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DK27279C
(en)
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Helicopter propeller with variable pitch of the propeller blades and with different pitch change for the different blades.
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DK25781C
(en)
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Power take-off bracket.
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ES66970A1
(en)
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Improvement in devices for fixing the blades in the turbines.
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CA193494A
(en)
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Knife blade
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CA187681A
(en)
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Turbine blade
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CH79593A
(en)
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Scythe blade holder
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CH78219A
(en)
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Scythe blade holder
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DK25239C
(en)
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Propeller blade.
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AT77389B
(en)
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Cutting device.
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FR519544A
(en)
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Three-blade propeller for airplanes, etc.
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DK22843C
(en)
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Adjustable Saw Bow.
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CA184682A
(en)
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Saw blade
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DK28235C
(en)
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Apparatus for sharpening razor blades.
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AT87480B
(en)
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Rotating autoclave.
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