|
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Centrifugal pump
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Method and apparatus for producing power
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Method and apparatus for producing power
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Feed water heater and injector
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Method and apparatus for producing pulp
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Steam generator
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Apparatus for converting heat and pressure energies into mechanical energy
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Solar power apparatus
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Method and apparatus for generating power
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Air conditioning apparatus
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Automobile
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Automobile
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Method and apparatus for converting heat energy into mechanical energy
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Method and apparatus for conditioning air
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Apparatus for effecting refrigeration
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Method and apparatus for conditioning air
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Automobile
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Water softener
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Method and apparatus for reconditioning the water-softening material in a softening apparatus
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US1904337A
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Flow regulator
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