000 00325nam a2200109Ia 4500
008 180713s9999 xx 000 0 und d
082 _a624
_bISI-I
245 0 _aINDIAN STANDARD SPECIFICATION FOR PREESTRESSED CONCRETE PIPES (INCLUDING FITTINGS)
_b: ISI NO 784-1978
260 _aND
_bISI
_c1983
270 _aLUCKNOW
942 _cGB
999 _c2470
_d2470