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<http://webisa.webdatacommons.org/prov/235301431>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/456592038> .
<http://webisa.webdatacommons.org/456592038>	<http://www.w3.org/ns/prov#value>	"BACKGROUND OF THE INVENTION Under modern farming methods, products such as hay are presently gathered in the field into relatively large, cylindrical bales weighing between 500 and 2000 pounds." .
<http://webisa.webdatacommons.org/456592038>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<freepatentsonline.com> .