000 00471nam a2200169Ia 4500
008 170901s1981 xx 000 0 und d
082 _a627.114
_bM68N
100 _aMittal, Suresh Bihari
245 0 _aNal-koop
_bParikalpana, nirman evam parichalan
250 _a1
260 _aAllahabad
_bSaroj Prakashan
_c1981
300 _a368
650 _aEngineering and allied operations
650 _aTechnology (Applied sciences)
653 _aTubewells
942 _2ddc
_cBK
999 _c12001
_d12001