Assertion: slide projector | /r/CreatedBy | various companies
Facets:
value: for many years
type: TEMPORAL
Source sentences:
text: Slide projectors such as 35 mm slide projectors were made by various companies for many years.
text: Slide projectors such as 35 mm slide projectors were made by various companies for many years.
text: Slide projectors such as 35 mm slide projectors were made by various companies for many years.