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Appareil combinant un reservoir de fluide frigorigene, un reservoir tampon et un echangeur de chaleur.
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Installation solaire thermique à drainage gravitaire
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Water regulation for automobile-radiators.
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一种零冷却技术的水管
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Dispositif pour tester l'etancheite d'une installation de chauffage avant sa connexion a une chaudiere
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一种自循环泵用试验台
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Cooling system
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Pompe a chaleur
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Устройство дл получени тепла
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Теплообменник
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Water level expansion regulator for use in connection with boilers or the like
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Stewart
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Modern Steam Traps (English and American): Their Construction and Working |
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