000 00340nam a2200133Ia 4500
008 220217s9999||||xx |||||||||||||| ||und||
020 _a9789350143155
082 _a620.1
100 _aGill, P.S
245 0 _aEngineering drawing
260 _aKataria publication
_bNew Delhi
_c2019
300 _a678p.
_b550
650 _aCAD/CAM
_95854
999 _c189001
_d189001