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Application filed by Nils Finn BisgaardfiledCriticalNils Finn Bisgaard
Priority to DK112545ApriorityCriticalpatent/DK65786C/da
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Publication of DK65786CpublicationCriticalpatent/DK65786C/da
DK112545A1945-06-141945-06-14Afspærringsanordning ved Skraariste eller Trapperiste i Underforbrændingskedler, navnlig Centralvarmekedler.
DK65786C
(da)
Plattor av eldhärdigt stål, vilka äro sammansättbara till skivformiga konstruktionselement, utsatta för höga temperaturer, t.ex. bottenhällar eller spjäll i ugnar