Title |
International patent classification. Official catchword index : to the 5. edition (1989) of the International patent classification |
|---|---|
Involved |
Weltorganisation für Geistiges Eigentum (Herausgebendes Organ) |
Published |
München: Heymann |
Extent |
342 S. |
ISBN |
978-3-452-21527-7 |
Topic |
|
Subject |
Internationale Patentklassifikation, Verzeichnis |
Part of |
|
Record ID |
891030123 |
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