2017DIN EN 16640:2017-08 Bio-based products - Bio-based carbon content - Determination of the bio-based carbon content using the radiocarbon method; German version EN 16640:2017
2017DIN EN 16640:2017 Bio-based products - Bio-based carbon content - Determination of the bio-based carbon content using the radiocarbon method; German version EN 16640:2017
1970DIN EN 16640 E:2015-09 Bio-based products - Bio-based carbon content - Determination of the bio-based carbon content using the radiocarbon method