<http://webisa.webdatacommons.org/206214542>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/206214542>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .
<http://webisa.webdatacommons.org/206214542>	<http://www.w3.org/ns/prov#value>	"ping means in the direction of advance of the sheet along the drawing field and said roller assemblies of each gripping means including a roller located at the leading end of each gripping means and engaging the guide rod so that said roller may be used for locating the gripping means at a selected position along the guide rod and for maintaining a minimum distance between adjacent gripping means." .
<http://webisa.webdatacommons.org/prov/121946782>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/206214542> .