Guide to the international patent classification.
This Guide provides information on the objectives, history and reform of the International Patent Classification (IPC) as well as assistance in the use of the IPC.
محفوظ في:
| التنسيق: | الكتروني كتاب الكتروني |
|---|---|
| اللغة: | الإنجليزية |
| منشور في: |
Geneva, Switzerland :
World Intellectual Property Organization,
2023.
|
| الطبعة: | 2023 edition. |
| الموضوعات: | |
| الوصول للمادة أونلاين: | EBSCOhost |
| الوسوم: |
إضافة وسم
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MARC
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