000 00629nam a22002057a 4500
001 32137
008 190110s1923 xxu||||| |||| 00| 0 eng d
041 _aeng
080 _aA/622.42/P26
100 _945942
_aParker, D.J.
245 _aSelf-contained mine rescue oxygen breathing apparatus: a handbook for miners
260 _aWashington, D.C.
_bDepartment of the Interior, Bureau of Mines
_c1923
300 _a139 p.
_bilus.
650 _945943
_aAPARATOS DE RESPIRACION
650 _93430
_aSEGURIDAD MINERA
700 _945944
_aMcCaa, G.S.
700 _945945
_aDenny, E.H.
910 _aRNUĂ‘EZ
_b38868
942 _2z
_cLIBR
999 _c32137
_d32137