Om produktion af dansk råjern i cementovne.
| Original title | Dansk Raajern |
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| Danish title | Dansk Raajern |
| Other titles | Arb. jern, Staalvalseværket, Stålvalseværket |
| Efnisorð | Jern- og metal, Industri, 1940-1949 |
| Leikstjórn | Karl Roos |
| Screenplay | Karl Roos |
| Director of Photography | Jørgen Roos |
| Composer | Erik Fiehn |
| Land | Danmark |
| Domestic distribution | Statens Filmcentral |
| Danish theatrical release | 25.08.1944 |
| Cinemas | DSB Kino |
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| Production company | Minerva Film |
| Producent | Dansk Kulturfilm |
| Commissioned by | Statens Filmcentral |
| Domestic distribution | Statens Filmcentral |
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Instruktion |
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| Instruktion | Karl Roos |
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Manus |
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| Manus | Karl Roos |
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Foto |
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| Fotograf | Jørgen Roos |
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Musik |
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| Musik | Erik Fiehn |
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