000 00269nam a2200109Ia 4500
008 160710s1921 xx 000 0 und d
100 _aMATTHEWS J.M
245 _aBLEACHING AND RELATED PROCESS
260 _bCHEMICAL CATALOGY COM.
_c1921
300 _a676
942 _2ddc
_cB
999 _c4080
_d4080