DE1012109B
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Device for the protection of wine, fruit and other free cultures
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DE1028314B
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Electrically heated heat storage furnace
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DE965149C
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Procedure for accumulating heat and releasing heat stored in this way
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DE964081C
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Temperature regulator for electrically heated high pressure hot water storage tank
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DE1032913B
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Installation on electric cooker wells equipped with cooking holes for the hotplates
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DE902893C
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Temperature control by means of a heat sensor for electric hot water storage tank
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DE864134C
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Electric heating rod
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DE850204C
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Electric wall and standing heater
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DE850324C
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Electric hotplate
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DE712495C
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Contact line system for trackless electric railways
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