<http://webisa.webdatacommons.org/prov/29442523>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/104680152> .
<http://webisa.webdatacommons.org/104680152>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/104680152>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .
<http://webisa.webdatacommons.org/104680152>	<http://www.w3.org/ns/prov#value>	"FIG. 4a is an electrical schematic diagram of an exemplary message access circuit for enabling a circuit card to transmit onto a midplane message bus based on the circuit card identification number according to the present invention." .