000 00290nam a2200109Ia 45e0
008 181001s1971 xx 000 0 und d
100 _aJagdish Lal
245 0 _aHydraulics machines
260 _bMetropulatan
_c1971
300 _a631
942 _2ddc
_cBK
999 _c2462
_d2462