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F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
F01B—MACHINES OR ENGINES, IN GENERAL OR OF POSITIVE-DISPLACEMENT TYPE, e.g. STEAM ENGINES
F01B29/00—Machines or engines with pertinent characteristics other than those provided for in preceding main groups
F01B29/08—Reciprocating-piston machines or engines not otherwise provided for
F01B29/10—Engines
F01B29/12—Steam engines
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FR324904D1902-10-021902-10-02Procédé et appareil pour transformer économiquement la chaleur de l'air atmosphérique en travail mécanique
ExpiredFR324904A
(fr)