Industrial procedure, useful for marking anti-forgery of a manufactured product, comprises introducing a non-radioactive stable isotope of an atomic element during the industrial production of a product

摘要

Industrial procedure (I) of marking anti-forgery of a manufactured product comprising introducing a non-radioactive stable isotope of an atomic element during the industrial production of a product, in which the content of the isotope in the manufactured product is higher than a natural isotope content, where the isotope is a natural isotope having a natural isotopic abundance lower than 1%, is new.