TY - BOOK ED - World Intellectual Property Organization (WIPO) TI - Patent Cooperation Treaty: (PCT) : done at Washington on June 19, 1970 ; amended … and modified on February 3, 1984 PY - 1985/// CY - Geneva, KW - Internationales Patentwesen KW - Patentzusammenarbeitsvertrag, 1970 Juni 19 N1 - 18.814-18.819, 19.564; Enth.: Regulations under the PCT : as in force on January 1, 1985 ER -