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Application filed by Jens Joergen SchwanerfiledCriticalJens Joergen Schwaner
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Publication of DK39659CpublicationCriticalpatent/DK39659C/en
DK39659D1927-08-301927-08-30
Automatic Shut-off device for the heat source for a medium that is desired to be heated to a certain temperature.
DK39659C
(en)