000 00337nam a2200121Ia 4500
008 220201s9999 xx 000 0 eng d
082 _bBIS
100 _aBurean of India Standerdes
245 0 _a152250-1981 code of practice for preparation & use of marorry mortare
260 _aNew Delhi
_bB I S
_cJul-81
300 _a31
942 _2ddc
999 _c28403
_d28403