METHOD FOR MANUFACTURE OF SECURITIES, METALLOGRAPHIC PRINTING FORM FOR MANUFACTURE OF SECURITIES, AND SECURITIES

FIELD: manufacture of securities. ^ SUBSTANCE: method involves providing protrusions of equal width at their base portion and of various cross section at apexes within the range of length of each protrusion. ^ EFFECT: increased extent of protection of securities from counterfeit. ^ 17 cl, 4 dwg

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Bibliographische Detailangaben
Hauptverfasser: PISAREV S.A, PISAREV A.G, MEL'NIKOV V.P, IPATOVA T.P, SHAPINOV V.I, KUROCHKIN A.V, CHEGLAKOV A.V, ASHKINAZIJ JA.M, MOCHALOV A.I, GONCHAROV M.I, TRACHUK A.V, VJAZALOV S.JU, PAVLOV V.V, CHEKMAREV V.A, BARANOVA G.S, KLIMOV A.I
Format: Patent
Sprache:eng ; rus
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Zusammenfassung:FIELD: manufacture of securities. ^ SUBSTANCE: method involves providing protrusions of equal width at their base portion and of various cross section at apexes within the range of length of each protrusion. ^ EFFECT: increased extent of protection of securities from counterfeit. ^ 17 cl, 4 dwg