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<http://webisa.webdatacommons.org/prov/121624454>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/137084611> .
<http://webisa.webdatacommons.org/137084611>	<http://www.w3.org/ns/prov#value>	"In this case the powering device advantageously comprises a rotating magnet and the first field is a rotating field." .
<http://webisa.webdatacommons.org/prov/368611445>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/137084611> .
<http://webisa.webdatacommons.org/137084611>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .