CH415E -
Device on low-voltage lines for automatic earthing of the same when they are electrically charged in order to prevent accidents
- Google Patents
Device on low-voltage lines for automatic earthing of the same when they are electrically charged in order to prevent accidents
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Publication date
Application filed by Schaufelberger Dr WilhelmfiledCriticalSchaufelberger Dr Wilhelm
Publication of CH415EpublicationCriticalpatent/CH415E/en
CH415D1902-12-041903-02-24
Device on low-voltage lines for automatic earthing of the same when they are electrically charged in order to prevent accidents
CH415E
(en)