<http://webisa.webdatacommons.org/404096618>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/317124330>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/404096618> .
<http://webisa.webdatacommons.org/404096618>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.de> .
<http://webisa.webdatacommons.org/404096618>	<http://www.w3.org/ns/prov#value>	"With regard to these operations, in particular the problems posed by the application of a facing, specifications DE-OS No. 3,036,816 and DE-OS No. 3,325,341 are cited, and the subject matter disclosed in these references is likewise incorporated by reference herein." .