IMPROVEMENTS IN METHODS OF MAKING SECURITY FEATURES Russian patent published in 2016 - IPC D21F1/44

Abstract RU 2578983 C1

FIELD: physics.

SUBSTANCE: electrotype plate for forming an image during a paper-making process comprises the grid to which at least one image forming element is attached.

EFFECT: improvement.

25 cl, 16 dwg

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RU 2 578 983 C1

Authors

Khaulend Pol

Dates

2016-03-27—Published

2013-03-06—Filed