000 00350nam a2200121Ia 4500
008 220201s1969 xx 000 0 eng d
082 _bISI
100 _aIndian Standard Institute
245 0 _aIS : 5081-1969, Specification for glass tubes for fluorscent lamps
260 _aNew Delhi
_bIndian Standard Institute
_c1969
300 _a7
942 _2ddc
999 _c17180
_d17180