000 00321nam a2200121Ia 4500
008 220201s9999 xx 000 0 eng d
082 _bBIS
100 _aBurean of India Standerdes
245 0 _a15-4101(P+1)1967 code of practice for external facing
260 _aNew Delhi
_bB I S
_cSep-67
300 _a17
942 _2ddc
999 _c28422
_d28422