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LILLE GOEDEWIL
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LILLE GOEDEWIL
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Publication of FR2000774A1publicationCriticalpatent/FR2000774A1/fr
F22B9/00—Steam boilers of fire-tube type, i.e. the flue gas from a combustion chamber outside the boiler body flowing through tubes built-in in the boiler body
F22B9/18—Component parts thereof; Accessories therefor, e.g. stay-bolt connections