000 00312nam a2200109Ia 4500
008 220201s1961 xx 000 0 eng d
100 _aIndian Standard Institution
245 0 _aIS:1777 Speocification for industrial lighting fitting metal reflectors
260 _bDelhi:I.S.I
_c1961
300 _a9
942 _2ddc
999 _c74562
_d74562