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Application filed by Jaernstoebere MaskinfabrikantefiledCriticalJaernstoebere Maskinfabrikante
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Publication of DK42449CpublicationCriticalpatent/DK42449C/en
DK42449D1928-09-141928-09-14
Apparatus for direct heating of the earth in greenhouses, in greenhouses, in open fields and in similar places.
DK42449C
(en)