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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	Although the powerhead 90 discussed above and shown in FIG. 1 is a dual head injector, embodiments of the present invention contemplate single head injectors as well.
http://www.w3.org/ns/prov#wasQuotedFrom	freshpatents.com