Assertion: consumer videocassette recorder | /r/HasProperty | introduced by sony
Facets:
value: in 1971
type: TEMPORAL
Source sentences:
text: Agreement by Japanese manufacturers on a common standard recording format, so cassettes recorded on one manufacturer's machine would play on another's, made a consumer market possible; and the first consumer videocassette recorder was introduced by Sony in 1971.
text: Agreement by Japanese manufacturers on a common standard recording format, so cassettes recorded on one manufacturer's machine would play on another's, made a consumer market possible; and the first consumer videocassette recorder was introduced by Sony in 1971.