紫外荧光法检验激光打印文字朱墨时序
王少仿
1,
2
Determination of Crossing Sequences Between Laser Printed Text and Seal Impression by Ultraviolet Fluorescence
WANG Shaofang
1,
2
两种带通滤色片的检验情况.a“带通滤色片”为“535”;b带通滤色片为“501”.