TY - BOOK ED - World Intellectual Property Organization (WIPO) TI - Patent Cooperation Treaty (PCT): done at Washington on June 19, 1970, amended on September 28, 1979, modified on February 3, 1984 and on October 3, 2001 T2 - WIPO Publication SN - 92-805-1498-9 PY - 1993/// CY - Geneva: PB - WIPO. KW - Internationales Patentwesen KW - Patentzusammenarbeitsvertrag, 1970 Juni 19 N1 - Enth.: Regulations under the PCT : as in force from April 1, 2006 ER -