✦ LIBER ✦

The patent library in the institute of scientific and technical information of China

✍ Scribed by Shen Jishian

No coin nor oath required. For personal study only.

📜 SIMILAR VOLUMES

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📂 Article 📅 1931 🏛 Wiley (John Wiley & Sons) ⚖ 103 KB

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✍ T. N. Rumyantseva 📂 Article 📅 1976 🏛 Springer 🌐 English ⚖ 122 KB

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