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The international patent classification as a search tool

No coin nor oath required. For personal study only.

📜 SIMILAR VOLUMES

The international patent classification

✍ W.G. Vijvers 📂 Article 📅 1990 🏛 Elsevier Science 🌐 English ⚖ 589 KB

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The international patent classification

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Online statistical techniques as patent

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On the reform of international patent cl

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Patent information as a management tool

📂 Article 📅 1980 🏛 Elsevier Science 🌐 English ⚖ 196 KB