<http://webisa.webdatacommons.org/343260475>	<http://www.w3.org/ns/prov#value>	"In other words, the safety system is a system that issues an output only when the safe state is confirmed by the safety function and operates a machine." .
<http://webisa.webdatacommons.org/prov/310706978>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/343260475> .
<http://webisa.webdatacommons.org/343260475>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/343260475>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<freepatentsonline.com> .