00421nam 2279892 450000100060000000300230000600500090002900800410003808200110007907200190009010000130010926000230012224500230014565000190016865000350018765000310022279892StarLibrary Marc Built20180420201711 ||||| |||||||||||amh  a006.68 aautocad basics atutorial bpublication c1986 aautocad release 12 aautocad basics ahatch patterns and annnotation ayour first drawing project