TY  - BOOK
ED  - World Intellectual Property Organization (WIPO) <Geneva>
TI  - Strasbourg Agreement concerning the International Patent Classification: of March 24, 1971
PY  - 1971///
CY  - Geneva, 
KW  - Kongress
KW  - Patentwesen
KW  - Straßburg 1971
KW  - Internationale Patentklassifikation
ER  -