000 00732nam a2200169Ia 4500
008 140223b1986 xxu||||| |||| 00| 0 eng d
020 _c0.00
082 _aIS : 11401 (Part 1) - 1985
_bIND
100 _aIndian Standards Institution
245 _aRequirements for Slow Sand Filters: Part - 1 General Guidelines (IS : 11401 (Part 1) - 1985)
260 _aNew Delhi
_bIndian Standards Institution
_c1986
300 _a8p
500 _aIS : 11401 (Part 1) - 1985
600 _aIndian Standard - IT
890 _aIndia
995 _AIND
_D12.00
_E0
_F049
_G1040
_H0
_I0.00
_J30.00 60%
_UC
_W19981224
_XIndian Standards Institution
_ZReference
999 _c50891
_d50891