Title |
International patent classification. Vol. 1 : Sect. A. Human necessities |
|---|---|
Involved |
Weltorganisation für Geistiges Eigentum (Herausgebendes Organ) |
Published |
München: Heymann |
Edition |
5. ed. |
Extent |
143 S. |
ISBN |
978-3-452-21408-9 |
Topic |
Technische Chemie |
Subject |
Internationale Patentklassifikation, Verzeichnis |
Part of |
|
Record ID |
891289410 |
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