| http://www.w3.org/ns/prov#value | - Brevet US4051466 - Arrangement for detecting the presence of snow, ice and other freezing ... - Google???BrevetsRecherche Images Maps Play YouTube Actualit???s Gmail Drive Plus ??Connexion Recherche avanc???e dans les brevets BrevetsThe arrangement includes at least one first and at least one second electrode positioned one above the other and spaced from each other in the vertical direction by at
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