Signed agreements

1965 GERMANY NORWAY BELGIUM UNITED STATES OF AMERICA DENMARK SPAIN CANADA FRANCE NETHERLANDS JAPON SWITZERLAND ITALY UNITED KINGDOM SWEDEN Classic CHILE

24 February 1965

1964 GERMANY NETHERLANDS AUSTRIA BELGIUM ITALY FRANCE BRAZIL UNITED STATES OF AMERICA JAPON SWITZERLAND UNITED KINGDOM Classic

01 July 1964

1962 NORWAY AUSTRIA GERMANY BELGIUM FINLAND FRANCE SWEDEN DENMARK NETHERLANDS ITALY ARGENTINA UNITED KINGDOM SWITZERLAND Classic

24 October 1962

Classic 1961 ITALY NETHERLANDS UNITED KINGDOM GERMANY BRAZIL FRANCE

24 May 1961

1956 GERMANY NORWAY AUSTRIA BELGIUM DENMARK FRANCE NETHERLANDS ITALY ARGENTINA SWITZERLAND UNITED KINGDOM SWEDEN Classic

16 May 1956