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Zugleich zur Verhinderung des Gleitens auf vereisten oder schlüpfrigen Wegen dienende Schutzvorrichtung für Gummireifen von Radfuhrwerken, insbesondere Automobilen
Perfeccionamientos en llantas de goma o de almohadillado elástico y sus análogos, aplicables a las ruedas de los coches y carruajes que circulan por calzadas y carreteras.