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prEN ISO 13196 rev
Soil quality - Screening soils for selected elements by energy-dispersive X-ray fluorescence spectrometry using a handheld or portable instrument
DIN EN ISO 13196 rev
Soil quality - Screening soils for selected elements by energy-dispersive X-ray fluorescence spectrometry using a handheld or portable instrument
DIN EN ISO 9308-2 rev
Water quality - Enumeration of Escherichia coli and coliform bacteria - Part 2: Most probable number method
prEN ISO 9308-2 rev
Water quality - Enumeration of Escherichia coli and coliform bacteria - Part 2: Most probable number method
FprCEN/TS 16931-8
Electronic invoicing - Part 8: Semantic data model of the elements of an e-receipt or a simplified electronic invoice