結果 : what is an optical variable device
0:10

Optically Variable Device (three-layer)

Ping Guo
266 回視聴 - 5 年前
0:10

Optically Variable Device (Two-layer)

Ping Guo
188 回視聴 - 5 年前
1:14

OVD Analyzer Regula 2303. Operation principles

regulaforensics
1,328 回視聴 - 3 年前
0:46

Screen Printing Optical Variable Ink

Ceres Print Area
257 回視聴 - 2 年前
5:42

How Does LIGHT Carry Data? - Fiber Optics Explained

Techquickie
1,350,189 回視聴 - 5 年前
2:37

How-to Video: ID Readers / Episode 7 – Visualizing OVDs

Adaptive Recognition
497 回視聴 - 3 年前
2:01

Optically Variable Ink

Rohan's Arena
1,089 回視聴 - 4 年前
1:40

Optical Attenuator - EXFO animated glossary of Fiber Optics

EXFO Tube
4,450 回視聴 - 13 年前
1:19

OVD Kinegram - Protecting Identities

OVD Kinegram
3,575 回視聴 - 4 年前
0:13

OVMI Green to Blue Optical Variable Magnetic Ink for Screen Printing High Quality #ink #printing

GDLEGEND Security Printing
2,307 回視聴 - 6 か月前
1:35

OVI Ink Security Printing

Holo Protection
4,310 回視聴 - 4 年前
1:21

How to make optical variable ink?

Hey Delphi
151 回視聴 - 1 年前
2:32

Anti-forgery Ink,Optical Variable Ink,oviink,ink printing， ink and printing， ink for printing

Roller Sublimation Machine #Laser machine Supplier
588 回視聴 - 11 年前
3:26

What is a Optocoupler ? How Optocouplers Work? (Optocoupler Explained)

Electrical Electronics Applications
135,368 回視聴 - 2 年前
0:31

Optical Variable Pigment

smarol1
325 回視聴 - 9 年前
0:15

OVMI Green to Blue Optical Variable Magnetic Ink

GDLEGEND Security Printing
553 回視聴 - 1 年前
0:46

Screen Printing Optical Variable Ink

Ceres Print Area
634 回視聴 - 2 年前
0:21

New optical ink

Ceres ink
978 回視聴 - 4 年前
0:47

Screen printing optical variable ink

Jennifer Jian
405 回視聴 - 3 年前
4:14

How RF Module works | 3D animated tutorial 🔥 | Remake

Blue Butterfly
56,278 回視聴 - 2 年前