Permanent Committee on Patent Information: IPC Revision
PCPI/X
September 1 to September 5, 1986 (Geneva, Switzerland) Onsite
11 - 20 / 21 items
PCPI/X
September 1 to September 5, 1986 (Geneva, Switzerland) Onsite
PCPI/IX
September 16 to September 20, 1985 (Geneva, Switzerland) Onsite
PCPI/VIII
September 18 to September 21, 1984 (Geneva, Switzerland) Onsite
PCPI/VII
September 19 to September 23, 1983 (Geneva, Switzerland) Onsite
PCPI/VI
November 29 to December 3, 1982 (Geneva, Switzerland) Onsite
PCPI/V
December 7 to December 11, 1981 (Geneva, Switzerland) Onsite
PCPI/IV
October 20 to October 24, 1980 (Geneva, Switzerland) Onsite
PCPI/III
September 22 to September 26, 1979 (Geneva, Switzerland) Onsite
PCPI/II
September 19 to September 22, 1978 (Geneva, Switzerland) Onsite
PCPI/WGP/I/CR
April 17 to April 18, 1978 (Geneva, Switzerland) Onsite