International Classification of Patents - Council of Europe-WIPO Joint ad-hoc Committee
CE/WIPO/VI
June 5 to June 8, 1972 (The Hague, Netherlands (Kingdom of the)) Onsite
31 - 35 / 35 items
CE/WIPO/VI
June 5 to June 8, 1972 (The Hague, Netherlands (Kingdom of the)) Onsite
CE/WIPO/B/VI
May 26 to June 2, 1972 (The Hague, Netherlands (Kingdom of the)) Onsite
IPC/FWG/II
February 22 to February 23, 1972 (Geneva, Switzerland) Onsite
CE/WIPO/V
November 15 to November 18, 1971 (Geneva, Switzerland) Onsite
CE/WIPO/B/V
November 9 to November 12, 1971 (Geneva, Switzerland) Onsite