1. System for marking and identification of objects, particularly work implements such as tools and work piece supports required in manufacturing processes, having modules with an electronically readable marking, which modules are to be arranged on the objects to be marked, and an evaluating device with at least one pick-up capable of reading the marking, whereby each module contains at least one oscillating circuit to produce a characteristic resonant frequency or resonant frequency combination, comprising: (a) ten groups of modules of various resonant frequency or resonant frequency combination are provided, whereby each of these groups is associated with one of the numerals 0 through 9; (b) the modules to be fixed to the object are selected and arranged according to the numeral selected for the marking of the object; and (c) the surface of each module is provided with a numeral which anyone can read in the form of the numeral represented thereby which indicates the meaning of said module as a code element; wherein said objects to be marked are provided with a support with depressions, particularly bores, arranged in a row to receive the modules for marking.