Assertion: fan | /r/HasProperty | imported into the united states
Facets:
value: in 1973
type: TEMPORAL
value: by encon industries
type: OTHER
Source sentences:
text: These fans with highly efficient cast aluminum housings, were invented in 1957 by Crompton-Greaves, Ltd of India and were first imported into the United States in 1973 by Encon Industries.