Assertion: international watt | /r/HasProperty | redefined after 9th general conference
Facets:
value: on measures
type: OTHER
value: in 1948
type: TEMPORAL
value: on weights
type: LOCATION
value: from practical units
type: OTHER
Source sentences:
text: After the 9th General Conference on Weights and Measures in 1948, the "international" watt was redefined from practical units to absolute units (i.e., using only length, mass, and time).