Freedman, Robert W. <br/><br/>
Use of Vacutainers for collection of mine atmosphere samples 
Freedman, Robert W.; Craft, Robert L.; Humphrey, William G. 
 - Washington  Bureau of mines  1975 
 - 7 p. 
 - RI 7999 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>MINERIA<br/>MINING
<br/><br/><label>Subjects--Index Terms: </label>GASES DE MINA MEDIDAS DE SEGURIDAD MINE GASES SAFETY MEASURES 
<br/><br/><label>Universal Decimal Class. No.: </label>622