000 00633nam a2200229Ia 4500
003 HQRS
005 20180111043550.0
008 150617s2014 xx 000 0 eng d
040 _aHQRS
_beng
_cHQRS
041 _heng
080 _b553.61:661.183.2 K4
110 _aRegion Research Laboratory
245 _aSeminar on bleaching earths and active carbon
260 _aHyderabad:
_bRegional Research Laboratory,
_c1964
300 _aiii, (v.p.);
_c33cm.
650 _aEarth
_xBleaching
650 _aEarth
_xCarbon compounds
650 _aClay
650 _aMines and mineral resources
365 _aINR
942 _2udc
_cCP
999 _c5445
_d5445