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- Laminate
- Laminate Overprint
- Laser Engraving
- Laser Photo Image in a Color Matrix LASINK™ Origin
- Laser Printing
- Latent Filter Image LFI
- Latent Image KIPP
- Latent Image PEAK®
- Latent Masked Image
- Latent Multicolour Image
- Latent Scrambled Image / Invisible Personal Information
- Lenticular Technology
- Letterpress Printing
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- Offset Printing
- Optically variable identification element FEEL-ID
- Optically Variable Identification Element FUSE-ID
- Optically Variable Ink (OVI)
- Optically Variable Ink with Embossing
- Optically variable ink with polarizing effect STEP
- Optically Variable Magnetic Ink (SPARK®, OVMI)
- Optically Variable Printed Image Dynaprint®
- Orlov Printing
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