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<http://webisa.webdatacommons.org/324322801>	<http://www.w3.org/ns/prov#value>	"Another important difference with the process according to the invention consists herein that there is a heated finely powdered solid substance present in the beginning." .
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<http://webisa.webdatacommons.org/prov/351711534>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/324322801> .