000 00310nam a2200121Ia 4500
008 220201s9999 xx 000 0 eng d
082 _bBIS
100 _aBurean of India Standerdes
245 0 _a15-2212-1991 bricks work code of pracctice
260 _aNew Delhi
_bB I S
_cOct-91
300 _a25
942 _2ddc
999 _c28402
_d28402