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<http://webisa.webdatacommons.org/308134957>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .
<http://webisa.webdatacommons.org/308134957>	<http://www.w3.org/ns/prov#value>	"The pilot valve may be actuated by either a solenoid or mechanically by means contacting the face of the pilot valve covering the pilot valve discharge line, thereby avoiding sealing problems ordinarily encountered with such mechanical actuating means. 6 Claims, 3 Drawing Figures FIRE EXTINGUISI'IING SYSTEM AND VALVE FOR USE THEREWITH BACKGROUND OF THE INVENTION Certain types of fire extinguishing" .
<http://webisa.webdatacommons.org/prov/309279280>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/308134957> .