The new technologies diffusion, measured by share changes, can be described by S-shaped curves. These curves usually represent the first three stages of a technological life cycle: embryonic stage, expansion, and maturity. The stage of a declining technology share depends on the dynamics of the next, evolving technology, which is at its embryonic or expansion stage. Naturally, the real trajectories never go along with a mathematical curve. The divergences depend on the economic environment, parallel inventions, and the business cycle situation [ 11. Moreover, some variables, such as the NCmachine tools production in total volume of metal-cutting machines production, do not look like an S-shaped curve. There are a lot of papers with the logistictype interpolation of new products and new technologies diffusion (see, for example, [ 2 ] ). Most of them deal with long-term ex-post time series of diffusion indicators, describing the penetration of homogeneous goods or technologies for the production of such goods. In the case of modern computer-integrated manufacturing (CIM ) the pre-history of the diffusion is relatively short (about 20 years), and the