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<http://webisa.webdatacommons.org/prov/316863194>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/153597665> .
<http://webisa.webdatacommons.org/153597665>	<http://www.w3.org/ns/prov#value>	"It is to be understood that the present invention may be embodied by other balloon formations, or by structures other than balloons." .
<http://webisa.webdatacommons.org/153597665>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .