_:vb68999	<http://www.w3.org/2006/http#elementName>	"Fri, 08 Nov 2019 21:14:23 GMT" .
_:vb68998	<http://www.w3.org/2006/http#fieldValue>	_:vb68999 .
_:vb68999	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2006/http#HeaderElement> .
_:vb68998	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2006/http#MessageHeader> .
_:vb68998	<http://www.w3.org/2006/http#fieldName>	<http://www.w3.org/2006/http-header#if-modified-since> .