000 00334nam a2200133Ia 4500
008 220412s9999 xx 000 0 und d
082 _a621.4 Au82d 2016
100 _a3g eLearning
245 0 _aMechanical drafting : beginner
260 _aQuezon City
_b New Century Books
_c2016
300 _a1412
942 _cBK
999 _c21321
_d21321