Assertion: metric system's unit | /r/HasProperty | proscribed by eec directive 71/354/eec
Facets:
value: in 1977
type: TEMPORAL
Source sentences:
text: In 1977, these units, along with the stere and the livre (and amongst others, the German pfund) were proscribed by EEC Directive 71/354/EEC  which required EU member states to standardise on the International System of Units (SI) and therefore to use the watt and its multiples.