3D打印钥匙开锁痕迹的发现与检验
陶梦霞
1
, 俞纲
1
, 陈峰
2
3D-Printed Key: Detection and Examination of Its Leaving Unlocking Marks and Remnants
TAO Mengxia
1
, YU Gang
1
, CHEN Feng
2
残留物与打印材料的红外光谱比较图