IPC Union - ad hoc Working Group on the Revision of the Guide to the IPC
IPC/RG/II
March 14 to April 17, 1978 (Vienna, Austria)
11 - 20 / 32 items
IPC/RG/II
March 14 to April 17, 1978 (Vienna, Austria)
IPC/ST/IV
November 14 to November 21, 1977 (Geneva, Switzerland)
IPC/RG/I
March 29 to April 1, 1977 (Geneva, Switzerland)
IPC/ST/III
March 21 to March 28, 1977 (Geneva, Switzerland)
IPC/ST/II
September 11 to September 18, 1976 (Geneva, Switzerland)
IPC/ST/I
January 19 to January 23, 1976 (Geneva, Switzerland)
IPC/PREP
September 23 to September 30, 1975 (Geneva, Switzerland)
CE/WIPO/B/XII
September 1 to September 6, 1975 (Geneva, Switzerland)
AT/IPC/TR/I
May 5 to May 9, 1975 (Geneva, Switzerland)
CE/WIPO/B/XI
December 9 to December 13, 1974 (Geneva, Switzerland)