000 00330nam a2200121Ia 4500
008 220201s9999 xx 000 0 eng d
082 _bBIS
100 _aBurean of India Standerdes
245 0 _a151038:1983 Specification for steal doors window & ventilators
260 _aNew Delhi
_bB I S
_cAug-85
300 _a44
942 _2ddc
999 _c28383
_d28383