00836nam0-22002891i-450-990007732280403321000773228FED01000773228(Aleph)000773228FED0100077322820021010d--------km-y0itay50------baitaInventing & Patenting sourcebookHow to Sell and Protect Your IdeasRichard C. Levy2. ed. Editor Annette PiccirelliDetroitGale Researchcopyr. 1992.1 v. 29 cmPaginazione varia.346.07Levy,Richard C.278336ITUNINARICAUNIMARCBK99000773228040332112-B-1064168DDCPDDCPInventing & Patenting sourcebook666127UNINAGEN01