Document (#15664)

Author
Herbig, E.
Title
¬Die Internationale Patentklassifikation
Source
Kooperation in der Klassifikation I. Proc. der Sekt.1-3 der 2. Fachtagung der Gesellschaft für Klassifikation, Frankfurt-Hoechst, 6.-7.4.1978. Bearb.: W. Dahlberg
Imprint
Frankfurt : Gesellschaft für Klassifikation
Year
1978
Pages
S.72-95
Series
Studien zur Klassifikation; Bd.2
Field
Patentinformation
Object
IPC

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