A Calendar of Soviet Treaties: 1958-1973

acts of ratification Agreement on cooperation automatically prolonged Bulgaria CMEA Permanent commission commission on economic concerning construction Contract between Soviet cooperation Signed Cuba cultural and scientific cultural cooperation Czecho Czechoslovakia delivery Duration indefinite economic and technical Entered into force exchange of acts Exchange of notes force on signature German Democratic Republic held in Moscow Hungary industry Joint communiqué July 12 July 29 June 18 June 20 manent commission ment Mongolia Plan of cultural Poland prior notice prior to expiration Ratified References Republic of Vietnam Romania scientific cooperation scientific-technical cooperation session of CMEA Signed Apr Signed Aug Signed Dec Signed Feb signed in Moscow Signed Jan Signed July Signed June Signed Mar Signed Nov Signed Oct Signed Sept sion Source Soviet technical aid Soviet Union technical cooperation tion Trade agreement Trade protocol tween the USSR Ulan Bator UNTS Visit lasted VPSS