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DK1053C
(en)
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Generator Fireplace with Two Sets of Fresh Air Slots.
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CH14547A
(en)
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New to AC motors
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DK1033C
(en)
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Microphone inductors with two or more sets of windings.
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CH15076A
(en)
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Improved turbine
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CH18163A
(en)
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Smokeless firing
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CH15104A
(en)
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Fireplace insert
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ES20885A2
(en)
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Modifications made to an air carburettor called "Light gas generator of the Tropic".
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CH13932A
(en)
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Gas burner
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ES21477A1
(en)
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Improvements made to the chimneys of steam boilers.
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CH14522A
(en)
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Toy
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CH14141A
(en)
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Air humidifier
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ES22108A1
(en)
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Improvements made to acetylene gas generators.
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DK1670C
(en)
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Fireplace with smoke-free Combustion.
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CH14689A
(en)
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Chimney door
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CH13858A
(en)
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Chimney attachment
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ES23263A1
(en)
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Improvements made to gas engines.
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CH15779A
(en)
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Improved locomotive boiler
|
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CH16218A
(en)
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turbine
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CH13488A
(en)
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Rotating grate
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CH14902A
(en)
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Gas engine
|
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CH15673A
(en)
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Military velocipede
|
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CH15601A
(en)
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Steam engine reversal
|
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CH14590A
(en)
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Furnace grate
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ES30601A1
(en)
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A procedure to speed up the efficiency of combustion gases in the hearths of steam generators.
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CH14151A
(en)
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Improved air cushion
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