International Classification of Patents - Council of Europe-WIPO Joint ad-hoc Committee
CE/WIPO/X
September 6, 1978 (Geneva, Switzerland) Onsite
11 - 20 / 35 items
CE/WIPO/X
September 6, 1978 (Geneva, Switzerland) Onsite
IPC/ST/V
June 26 to July 7, 1978 (Tokyo, Japan) Onsite
CC/IPC/1/B
June 19 to June 30, 1978 (Bogotá, Colombia) Onsite
IPC/RG/II
March 14 to April 17, 1978 (Vienna, Austria) Onsite
IPC/ST/IV
November 14 to November 21, 1977 (Geneva, Switzerland) Onsite
IPC/RG/I
March 29 to April 1, 1977 (Geneva, Switzerland) Onsite
IPC/ST/III
March 21 to March 28, 1977 (Geneva, Switzerland) Onsite
IPC/ST/II
September 11 to September 18, 1976 (Geneva, Switzerland) Onsite
IPC/ST/I
January 19 to January 23, 1976 (Geneva, Switzerland) Onsite
IPC/PREP
September 23 to September 30, 1975 (Geneva, Switzerland) Onsite