000 00279nam a2200109 a 4500
100 1 _aSidheswar,N
245 1 0 _aMachine Drawing :
260 _aNew Delhi
_bTata McGraw,
_c2005.
300 _a267 p. ;
856 4 0 _uhttp://www.amazon.com/exec/obidos/ASIN//chopaconline-20
942 _cBK
999 _c4478
_d4478