000 00295nam a2200121Ia 4500
008 220201s1965 xx 000 0 eng d
082 _bNIV
100 _aNivas, H.k.
245 0 _aDrillijng and grounting manual
260 _aDelhi
_bMetropolitian book &co.
_c1965
300 _a51
942 _2ddc
999 _c20595
_d20595