Earthquake-actuated automatic gas shutoff devices - 21 páginas - ASCE standard . "ANSI/ASCE/SEI 25-16." ISBN: 9780784413890 Subjects--Topical Terms: Aparatos de gas--NormasTerremotos--Medidas de seguridad LC Class. No.: TP758 / E37 2016 Dewey Class. No.: 683/.88