| 摘要 |
<p>The invention relates to an assembly including an article to be authenticated, an authentication composition and a member for applying the composition, capable of retaining said composition by capillarity, wherein the article to be identified contains a first reagent selected from nickel, copper, cobalt or iron derivatives, or from dithiooxamide or oxime derivatives capable of reacting with a second reagent of the authentication composition selected respectively from among dithiooxamide or oxime derivatives or from nickel, copper, cobalt or iron derivatives, so as to form a visible and permanent coloured mark.</p> |
