000 00299nam a2200109Ia 4500
008 220201s1996 xx 000 0 eng d
100 _aIS 8419 PART I 1977
245 0 _aREQUIREMENTS FOR FILTRATION EQUIPMENTS PART I
260 _aDELHI
_bBUREAU OF INDIAN STANDARD
_c1996
300 _a8
942 _2ddc
999 _c91900
_d91900