TY  - BOOK
ED  - World Intellectual Property Organization <Geneve>
TI  - Official catchword index: to the Sixth Edition (1994) of the International Patent Classification
T2  - WIPO - Publication
SN  - 92-805-0549-1
PY  - 1994///
CY  - Geneva, 
KW  - Internationale Patentklassifikation
KW  - Stichwortindex
KW  - Englisch
N1  - 21.696
ER  -