productionStartApproximate
P118962
predicate
Indicates that the start of production for something is known only approximately rather than as an exact date or time.
Observed surface forms (1)
- frescoExecutionStart ×1
Sample triples (2)
| Subject | Object |
|---|---|
| Arena Chapel | circa 1303 via predicate surface "frescoExecutionStart" ⓘ |
| Dassault Ouragan jet fighter program | early 1950s ⓘ |