000020246 000__ 00785cam\a2200253Ii\4500 000020246 001__ 20246 000020246 005__ 20210513004225.0 000020246 008__ 800131s1979\\\\dcua\\\\\b\\\f00010\eng\d 000020246 035__ $$a(OCoLC)ocm05929093 000020246 035__ $$a20246 000020246 040__ $$aGPO$$cGPO$$dISE 000020246 043__ $$an-us--- 000020246 049__ $$aISEA 000020246 074__ $$a637-A 000020246 0860_ $$aI 28.23:8389 000020246 090__ $$aTN23$$b.U7 no.8389 000020246 1101_ $$aUnited States.$$bBureau of Mines. 000020246 24510 $$aTriggered barriers for the suppression of coal dust explosions /$$cby I. Liebman ... [et al.]. 000020246 260__ $$a[Washington] :$$bDept. of the Interior, Bureau of Mines,$$c1979. 000020246 300__ $$a24 p. :$$bill. ;$$c27 cm. 000020246 504__ $$aBibliography: p. 23-24. 000020246 650_0 $$aCoal mines and mining$$xDust control. 000020246 650_0 $$aDust explosions. 000020246 7001_ $$aLiebman, I.$$q(Israel) 000020246 85200 $$bgen$$hTN23$$i.U7$$ino.8389 000020246 909CO $$ooai:library.usi.edu:20246$$pGLOBAL_SET 000020246 980__ $$aBIB 000020246 980__ $$aBOOK