000
00301nam a2200109Ia 4500
008
220201s1996 xx 000 0 eng d
100
_a
IS 8419 PART II 1984
245
0
_a
REQUIREMENTS FOR FILTRATION EQUIPMENTS PART II
260
_a
DELHI
_b
BUREAU OF INDIAN STANDARD
_c
1996
300
_a
8
942
_2
ddc
999
_c
91901
_d
91901