<http://webisa.webdatacommons.org/prov/420353598>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/250675750> .
<http://webisa.webdatacommons.org/250675750>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .
<http://webisa.webdatacommons.org/prov/423049535>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/250675750> .
<http://webisa.webdatacommons.org/250675750>	<http://www.w3.org/ns/prov#value>	"According to one aspect of the invention, a gun has a breech and a hammer mechanism slidably mounted in the breech, this mechanism including a hammer and a spring mounted to drive the hammer forwards in the breech when the gun is fired." .
<http://webisa.webdatacommons.org/250675750>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .