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Priority to DK4949ApriorityCriticalpatent/DK77422C/da
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DK4949A1949-01-071949-01-07Fremgangsmåde til anvendelse af kulstofholdigt brændsel i forbindelse med en katalysator til opvarmning i varmeanlæg.
DK77422C
(da)
Un proCEDIMIENTO para la adaptacion de los hornos corrientes u otros similares a los sistemas de calefaccion, mediante quemadores de combustibles liquidos