| http://www.w3.org/ns/prov#value | - Natural and synthetic organic substances which are pure monomeric compounds or mixtures thereof, for example mineral oils, animal or vegetable fats, oils and waxes, or oils, waxes and fats based on synthetic esters (for example phthalates, adipates, phosphates or trimellitates), and mixtures of synthetic esters with mineral oils in any desired ratios by weight, such as are used, for example, as sp
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