Chilton, J.E. <br/><br/>
True flammable gas detection system 
Chilton, J.E. 
 - Washingnton  Bureau of mines  1987 
<br/><br/><label>Subjects--Topical Terms: </label><br/>MINERIA<br/>RIESGO DE INCENDIO POR GAS<br/>GAS INFLAMABLE
<br/><br/><label>Universal Decimal Class. No.: </label>622.827