1970/12/22-1975

https://w3id.org/zericatalog/date/1970-12-22post-1975ca an entity of type: E52_Time-Span

post 
ca. 
1975-01-01T00:00:00Z 
1970-12-22-01-01T00:00:00Z 
1970/12/22-1975 

data from the linked data cloud