Assertion: soman's group | /r/HasProperty | developed in germany
Facets:
value: during 1940s
type: TEMPORAL
value: during the 1930s
type: TEMPORAL
Source sentences:
text: Tabun (or “GA”) is one of a group of synthetic chemicals that were developed in Germany during the 1930s and 1940s (Tabun was developed in 1936).
text: Tabun (or "GA") is one of a group of synthetic chemicals that were developed in Germany during the 1930s and 1940s (Tabun was developed in 1936).