ELECTRICAL NETWORK FAULT SIGNALLING DEVICE
Electrical network fault signalling device, according to the invention, consists mainly of a tube of non-ferromagnetic material (1), fixed by an electrical conductor (7) by means of the electrical insulating fixing support (8), which has a quantity inside of ferrofluid (2), at one end is provided wi...
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Format: | Patent |
Sprache: | eng ; fre ; ger |
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