000 00555 a2200145 4500
100 _aDeurbrouck, Albert W.
245 _aPerformance characteristics of coal-washing equipment : Hydrocyclones (Report of Investigation no.[ RI 7891-RI7898]
_cAlbert W. Deurbrouck
260 _bU. S. Bureau of Mines
_c1974
_aPittsburgh, Pa.
300 _avarious pages
440 _aReports of Investigation; U. S. Bureau of Mines
500 _aBound with RI-7892 to RI7899 [TR015415 to TR015422]
650 _aBiological chemistry
650 _aEnzymes
942 _cTR
999 _c480402
_d480402