TY  - BOOK
TI  - European convention on the international classification of patents for invention: Paris, 19. December 1954 ; Irish instrument of Ratification deposited on 11. March, 1955 ; Presented to Dáil Eireann by the Minister for External Affairs
T2  - Treaty Series
PY  - 1956///
CY  - Dublin: 
PB  - The Stationary Office, 
KW  - Internationale Patentklassifikation
ER  -