About: http://webisa.webdatacommons.org/204021270

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	They identified and dated 23 marks by such companies as well as whether the marks were placed on bases, shoulders, or (in one case) sides of the bottles.
http://www.w3.org/ns/prov#wasQuotedFrom	sha.org