凸齿钥匙上仿形刀痕迹倾斜角与齿坡角的关系初探

马元元，陈海波，敖琪

Research on the relation between slope angle of duplicated trace and tooth slope angle

MA Yuan-yuan，CHEN Hai-bo，AO Qi

刑事技术 . 2010, (1): 23 .