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Application grantedgrantedCritical
Publication of DK46743CpublicationCriticalpatent/DK46743C/da
Application filed by Strebelwerk GmbhfiledCriticalStrebelwerk Gmbh
DK46743D1931-04-041933-03-31Elementkedel til Forbrænding af Stenkul med Forvarmning af Forbrændingsluften og samtidig Tilførsel af sekundær Luft.
DK46743C
(da)