CH122943A
(en)
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Overpressure blading.
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SU4275A1
(en)
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Propeller with movable blades and variable pitch
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SU4869A1
(en)
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Propeller
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SU23124A1
(en)
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Snowmobile
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SU1839A1
(en)
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Wind engine
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SU24620A1
(en)
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Stop or set ring
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SU21736A1
(en)
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Muffler
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SU2224A1
(en)
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Horizontal water engine with folding pens or blades
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SU8572A1
(en)
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Clamp
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CH120840A
(en)
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Dry gas knife with leather bellows.
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FR30244E
(en)
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Variable pitch propeller
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FR591741A
(en)
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Variable pitch propeller
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ES100927A1
(en)
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A ship's propeller with movable blades.
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CH152978A
(en)
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Steam and gas turbine blade.
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DK38065C
(en)
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Propeller.
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DK36467C
(en)
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Propeller.
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CA250877A
(en)
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Variable pitch fan
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ES99794A1
(en)
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Improvements in turbines or wind engines.
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DK36971C
(en)
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Shaver blade.
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DK36840C
(en)
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Windmill.
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FR629483A
(en)
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Metal propeller with variable pitch
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FR612780A
(en)
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Variable pitch propeller, for aviation
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ES96360A1
(en)
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Improvements in the construction of pulleys.
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GR2800B
(en)
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NAVY HUNTER AGAINST MUSCLES.
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ES93373A3
(en)
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The manufacture of razor blades.
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