000 00335nam a2200109Ia 4500
008 220201s1973 xx 000 0 eng d
082 _a658.202
_bIST
100 _aIndian,Social for Technical education
245 0 _aMaintenance book III ( Maintenance engineering)
260 _bIndian Social for Technical education
_c1973
942 _2ddc
999 _c79714
_d79714