Document (#15663)

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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