TY - BOOK ED - World Intellectual Property Organization (WIPO) TI - Vienna Agreement establishing an international classification of the figurative elements of marks: done at Vienna on June 12, 1973 PY - 1981///, CY - Geneva : PB - WIPO. KW - Kongress KW - Markenwesen KW - Wien KW - 1973 KW - Bildbestandteil ER -