inkless

adj.

无墨水的，无墨汁的；

Inkless reimageable printing paper and method
Inkless methods of finger, palm, and sole printing.
Concept of heat-induced inkless eco-printing
Inkless Microcontact Printing on SAMs of Boc- and TBS-Protected Thiols
The Inkless Octopuses (Cephalopoda: Octopodidae) of the Southwest Atlantic
Inkless microcontact printing on self-assembled monolayers of fmoc-protected aminothiols.
Perspective automated inkless fingerprinting imaging software for fingerprint research
System and method for distortion control in live-scan inkless fingerprint images
System and method for distortion control in live-scan inkless fingerprint images
High-aspect-ratio imageable top-surface lithography using UV-assisted inkless contact printing