Assertion: barrel carburetor | /r/HasProperty | introduced on buick roadmaster
Facets:
value: simultaneously
type: MANNER
Source sentences:
text: The first four-barrel carburetors, with two primary bores and two secondary bores, were the Carter WCFB and identical Rochester 4GC simultaneously introduced on the 1952 Cadillacs, Oldsmobile 98, Oldsmobile Super 88 and Buick Roadmaster.