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Priority to JP50133949ApriorityCriticalpatent/JPS5257559A/ja
Publication of JPS5257559ApublicationCriticalpatent/JPS5257559A/ja
Publication of JPS5551472B2publicationCriticalpatent/JPS5551472B2/ja
F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
F28D15/00—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies