<http://webisa.webdatacommons.org/7139171>	<http://www.w3.org/ns/prov#value>	"FIG. 1 is a schematic cross section through an ionization chamber according to the invention;" .
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<http://webisa.webdatacommons.org/7139171>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .