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Device for kuehlen of the cathodes flue signal light arc of apparatuses, in particular mercury vapor - rectifiers, with one of a kuehl - body from the cathodes flue sig as a function of the partly projects in such a way that it is divided into narrow canals
Device for kuehlen of the cathodes flue signal light arc of apparatuses, in particular mercury vapor - rectifiers, with one of a kuehl - body from the cathodes flue sig as a function of the partly projects in such a way that it is divided into narrow canals