| http://www.w3.org/ns/prov#value | - Brevet US7836976 - Underground piercing tool - Google???BrevetsRecherche Images Maps Play YouTube Actualit???s Gmail Drive Plus ??Connexion Recherche avanc???e dans les brevets BrevetsA pneumatically operated underground piercing tool including an elongate cylindrical body carrying an anvil and a striker slidably received within a chamber.
|