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CIE DE FIVES LILLE
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CIE DE FIVES LILLE
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Publication of FR569951ApublicationCriticalpatent/FR569951A/fr
F22B21/00—Water-tube boilers of vertical or steeply-inclined type, i.e. the water-tube sets being arranged vertically or substantially vertically
F22B21/02—Water-tube boilers of vertical or steeply-inclined type, i.e. the water-tube sets being arranged vertically or substantially vertically built-up from substantially straight water tubes
F22B21/18—Water-tube boilers of vertical or steeply-inclined type, i.e. the water-tube sets being arranged vertically or substantially vertically built-up from substantially straight water tubes involving two or more upper drums and a single lower drum
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FR569951D1923-08-201923-08-20Perfectionnements aux chaudières à tubes d'eau
ExpiredFR569951A
(fr)