| http://www.w3.org/ns/prov#value | - ??????????????????????????, ???????????? ???? ???????????????????? ???? ?????????????? ?????????????? CEN, ???????????? ???????????????? ??????????????????The procedures applied to determine a representative activity-specific oxidation factor (e.g. via the carbon content of soot, ashes, effluents and other wastes or by-products) for a specific activity shall be based on relevant CEN standards as s
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