<http://webisa.webdatacommons.org/159760025>	<http://www.w3.org/ns/prov#value>	"The essential part of an adjustable choke for compressed air and other fluids is made up of two relatively turning disks of which one has a calibrated channel in it running round the axis of the disks." .
<http://webisa.webdatacommons.org/159760025>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/467532296>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/159760025> .
<http://webisa.webdatacommons.org/159760025>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<patentgenius.com> .