protel99
........\Advpcb.ddb
........\Miscellaneous Devices.ddb
........\MY.DDB
........\Protel DOS Schematic Libraries.ddb
........\各类封装(共享使用).ddb
........\各类封装.ddb
........\常用封装2.ddb
........\常用零件.ddb
........\常用零件1.ddb
........\通用封装.ddb