000 nam a22 7a 4500
999 _c3831
_d3831
003 Biblioteca INTEMIN
005 20180531160557.0
007 ta
008 180527b xxu||||| |||| 00| 0 eng d
041 _ainglés
080 _a622
100 _aFreedman, Robert W.
_93547
245 _aUse of Vacutainers for collection of mine atmosphere samples
_cFreedman, Robert W.; Craft, Robert L.; Humphrey, William G.
260 _aWashington
_bBureau of mines
_c1975
300 _a7 p.
440 _aRI 7999
_97181
650 _aMINERIA
_93338
650 _aMINING
_92163
653 _aGASES DE MINA
653 _aMEDIDAS DE SEGURIDAD
653 _aMINE GASES
653 _aSAFETY MEASURES
700 _aCraft, Robert L.
_98046
700 _aHumphrey, William G.
_98078
942 _2udc
_cCR