A method and a design system for designing or constructing new parts of a design unit, in the context of a design-space environment made of already existing parts of the design unit, includes at least one CAx system and at least one central data base, which are interconnected by a data circuit. To permit...http://www.google.com.hk/patents/US20010016803?utm_source=gb-gplus-share專利 US20010016803 - Design system and method for designing or constructing new parts
