000 00357nam a2200121Ia 4500
008 220201s1969 xx 000 0 eng d
082 _bISI
100 _aIndian Standard Institute
245 0 _aIS : 1230-1968, Specification for cast irion, rainwater pipes & fillings
260 _aNew Delhi
_bIndian Standard Institute
_c1969
300 _a28
942 _2ddc
999 _c17172
_d17172