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DK12634C
(da)
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Gasfremstillingsovn med lodrette Retorter eller Kamre.
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|
CH46549A
(de)
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|
Gasretorte
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|
GB190707506A
(en)
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|
Improvements relating to Gas Furnaces
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|
CH29814A
(de)
|
|
Retortenofen zur Herstellung von Leuchtgas
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|
CH45447A
(de)
|
|
Gaserzeugungsofen mit senkrechten Retorten
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|
CH34018A
(de)
|
|
Vertikalretortenofen
|
|
CH44341A
(de)
|
|
Gaskochapparat
|
|
GB190929145A
(en)
|
|
Improvements relating to Inverted Gas Burners.
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|
CH40603A
(de)
|
|
Kammerofen mit schrägliegenden Kammern zur Vergasung von Kohlen
|
|
CA114671A
(en)
|
|
Gas retort furnace
|
|
CA98288A
(en)
|
|
Gas heating furnace
|
|
DK7541C
(da)
|
|
Fremgangsmaade til Fremstilling af brændte, ildfaste Sandsten.
|
|
GB190622068A
(en)
|
|
Improvements relating to the Arrangement of Inverted Incandescent Gas Burners.
|
|
CA101717A
(en)
|
|
Gas retort
|
|
CA100428A
(en)
|
|
Retort furnace
|
|
CA113270A
(en)
|
|
Gas retort furnace
|
|
DK19757C
(da)
|
|
Retortovn med lodrette Retorter.
|
|
DK10856C
(da)
|
|
Gasovn.
|
|
CH48197A
(de)
|
|
Gaskocher
|
|
CA124324A
(en)
|
|
Gas furnace
|
|
ES35643A2
(es)
|
|
Perfeccionamientos en retortas de gas.
|
|
CA127283A
(en)
|
|
Retort furnace
|
|
CH38700A
(de)
|
|
Schachtofen mit Gasfeuerung
|
|
DK11984C
(da)
|
|
Med Sigter eller lignende forsynet Gasrenser.
|
|
GB190725657A
(en)
|
|
Improvements in or relating to the Manufacture of Incandescent Gas Mantles.
|