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Publication of DK52044CpublicationCriticalpatent/DK52044C/en
DK52044D1934-03-211935-03-20
Device at a combustion chamber of a fireplace for the introduction of secondary combustion air above the grate.
DK52044C
(en)
Device for the introduction of secondary combustion air above the grate in a combustion chamber of a fireplace and the procedure for the operation of the device.